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RoanneTheWolf

@roannethewolf

Creator of foxes with boobs of incredible sizes. https://www.furaffinity.net/user/roannethewolf https://roannethewolf.itch.io/

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10.12.2023
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Latest posts by RoanneTheWolf @roannethewolf

I'm in the middle of an engineering degree, so it's very recent on my mind. I imagine it would be a lot harder to learn if I wasn't able to find so many... unorthodox uses for the subject.

10.03.2026 14:33 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
A red fox, Yuri Belyaev, laying on her back. Her breasts are gigantic, easily 5 times her own height. She's looking towards the viewer, you.

A red fox, Yuri Belyaev, laying on her back. Her breasts are gigantic, easily 5 times her own height. She's looking towards the viewer, you.

Yuri Belyaev from hit game "Make Yuri Belyaev's Boobs Bigger" seen with big boobs, as drawn for a trade by nonexisty on FurAffinity!
www.furaffinity.net/view/64274038/

10.03.2026 04:35 ๐Ÿ‘ 18 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Y'know how jeeps keep a spare tire on the back sometimes?
Do you think that sailors would keep their spare sails as bras for their foxes?

It works great. When the seas be a'raging and the winds howl with fury, a torn sail be a ticket to Davey Jones's locker. But when the spare sails be torn from their previous occupants, they catch the wind like no other cloth and the men work with twice the vigor. The rowers in the galley send her skidding across the waves with the foxes at their lead- and I'm no rocket scientist, but all the shaking and rolling means the milk they be spewin' comes out with such force as to send the ship aloft 'pon hitting a mighty swell.

When fair shores be ahead the anchor's tossed ten leagues out, else the ship won't stop in time. When she finally does, the foxes roll off the deck and onto the port, laden with new cup sizes and a need for a mighty drainin'.

Y'know how jeeps keep a spare tire on the back sometimes? Do you think that sailors would keep their spare sails as bras for their foxes? It works great. When the seas be a'raging and the winds howl with fury, a torn sail be a ticket to Davey Jones's locker. But when the spare sails be torn from their previous occupants, they catch the wind like no other cloth and the men work with twice the vigor. The rowers in the galley send her skidding across the waves with the foxes at their lead- and I'm no rocket scientist, but all the shaking and rolling means the milk they be spewin' comes out with such force as to send the ship aloft 'pon hitting a mighty swell. When fair shores be ahead the anchor's tossed ten leagues out, else the ship won't stop in time. When she finally does, the foxes roll off the deck and onto the port, laden with new cup sizes and a need for a mighty drainin'.

Foxes make excellent sailors, even after considering that their tits occupy the entire deck and still hang off the side.

09.03.2026 23:49 ๐Ÿ‘ 10 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Step aside Mandick, the world has no further need for a titty smithy. What we need now is a Titty Engineer.

02.03.2026 22:31 ๐Ÿ‘ 7 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

The newest line of fox-powered pickup trucks had some trouble with marketing, since the cargo bed was pretty much fully occupied by the fox and the fuel economy turned out to be -0.0473 miles per gallon. The range ended up being a total of 2200 feet before the fuel tanks had to be emptied.

02.03.2026 18:43 ๐Ÿ‘ 13 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Foxes try to keep a comfortable pressure of 1atm, but yes, a location with a higher standard pressure could allow for faster milking...
...But the same effect could come from just squeezing the titties during the milking process. Solid materials, such as your hand on her boob, apply pressure too.

27.02.2026 14:15 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
Post image

I was told it was my civic duty and moral obligation to share Mila the gardener with the rest of the class. Try not to squish the plants she works very hard watering else you might find yourself just as squished!

25.02.2026 04:56 ๐Ÿ‘ 82 ๐Ÿ” 23 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

If you want your titties to be a different shape, consider wearing something. The Ridiculously Large Top Shop (ROTS) in Bwom (BROTS) can fit a bra to every size!

Every. Size.

24.02.2026 22:12 ๐Ÿ‘ 7 ๐Ÿ” 1 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

When two titties are pressed together, the internal pressures balance each other out, so the cleavage tends to be flat. Unless one fox is larger, in which case the larger fox has the right of way.
So, uh, make way.

24.02.2026 22:09 ๐Ÿ‘ 7 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
A vector illustration of a dangling boob, with the pressure gradient and internal forces outlined. The pressure gradient, due to gravity, causes a low pressure towards the top, which is enough to be overcome by atmospheric pressure, causing the curvature to be concave (in that direction, at least).

A vector illustration of a dangling boob, with the pressure gradient and internal forces outlined. The pressure gradient, due to gravity, causes a low pressure towards the top, which is enough to be overcome by atmospheric pressure, causing the curvature to be concave (in that direction, at least).

Why are titties the shape they are?
Simple application of fluidynamics. When the edge is in constant tension, the curvature depends on the internal pressure. Negative pressure causes the recognizable teardrop shape.
Addon to the previous lecture.
Forgive the iffy quality, I made this in 10 minutes.

24.02.2026 22:09 ๐Ÿ‘ 20 ๐Ÿ” 3 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Look at me.
I am the professor now.
Your first lesson is in boob.
Big ones.

17.02.2026 23:12 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Why tho
Is it cuz they drew boobs

16.02.2026 05:02 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Using her masterful ninjitsu abilities the fox has become larger in the PDF without me even needing to change the link to it

15.02.2026 02:42 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

It seems that there were a few minor errors in the last few calculations. They have been corrected, and due to this, the 2nd-last view of the fox has increased in size from 170 meters to roughly the size of West Virginia.
...Maybe I should make some practice problems or something.

14.02.2026 17:28 ๐Ÿ‘ 14 ๐Ÿ” 2 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0

Okay so I have news and bad news.
The good news is that we both missed something else: The production rate was in units of hours, and the flow rate was in units of seconds. Equilibrium is a lot larger.
The bad news is that the new equilibrium size is 228 kilometers and that's too big to see the fox.

14.02.2026 16:42 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

It seems that you're right, I did indeed forget the tube size factor.
On the other hand, making this correction would signficiantly decrease the fox's boob size in the corresponding graphic, and we simply can't have that.
Good catch.

13.02.2026 23:38 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Worry not: Bernoulli's equation is only valid for steady flow.
And liquid escaping from an elastic pressure vessel, such as a balloon or a titty, actually forms a laminar flow. It's quite neat to see.

13.02.2026 16:58 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

If a substance is too heavy for even a vacuum, nothing more can be done. Mercury thermometers work this way: At the top of the cylinder, the combined weight of mercury is so much that it can create a vacuum. No pump would be able to pull it higher.

13.02.2026 12:07 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Nah, the maximum strength that a pump can suck is the difference between the surrounding pressure and a vacuum. 'suction force' doesn't really exist- instead, the atmosphere away, and the vacuum doesn't, so things end up pushed towards the vacuum.

13.02.2026 12:07 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

PDFs, as a file, can be made out of vector+raster graphics. So when I exported it, I found that it didn't even take time to convert, it could just be labeled as a PDF.
A lot better than trying to make a 30 trillion pixel image or whatever it took to make the fox clear.

13.02.2026 12:03 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

So anything that uses 'suction', be it suction cups or a milking machine, uses a negative pressure difference. This has a limit, though, because you can't have a lower pressure than a vacuum.
Vacuum, the scientific term, not vacuum, the gadget.

13.02.2026 11:57 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
A screenshot of the beginning of the linked PDF. Pictured is a diagram of a fox laying on her own bed-sized breasts. There is a promise that the breasts will get bigger, and that milk will be a common subject.

A screenshot of the beginning of the linked PDF. Pictured is a diagram of a fox laying on her own bed-sized breasts. There is a promise that the breasts will get bigger, and that milk will be a common subject.

So
I'm in college
Learning cool things
One of which being fluidynamics
And it would be neat to talk about foxes.
So of course, I did the obvious thing.
Found someone who knew fluidyn PRODUCED A LESSON TO TEACH THE CORE CONCEPTS OF FLUIDYNAMICS BY MEANS OF FOX TITTIES
drive.google.com/file/d/1ovRZ...

13.02.2026 06:06 ๐Ÿ‘ 183 ๐Ÿ” 56 ๐Ÿ’ฌ 9 ๐Ÿ“Œ 2

Would you learn introductory fluidynamics if I framed it around the concept of foxes with massive titties getting bigger boobs

13.02.2026 00:34 ๐Ÿ‘ 10 ๐Ÿ” 2 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

I've always loved Naomi's design. Bashful girl with incredible honkers, who gets up to completely normal activities with the big boobs.

09.02.2026 01:33 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

It's hard to tell, given how easy they are to see from a distance.

05.02.2026 02:00 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

A very squishy gritter with grabby beans will Invert your problems.

05.02.2026 01:45 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

The fox spawnrates are pretty low, but you can get one to appear at your location if you say these exact words:
"Oh my! I was going to make cookies and milk, but I have way too many cookies and nowhere near enough milk!"
Someone will Deliver themselves to fix that little issue.

05.02.2026 01:19 ๐Ÿ‘ 19 ๐Ÿ” 4 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
Art drawn by Xoi_Nova
A folf wearing a typical hoodie, but with an extension in the front for the breasts. The zippers connect on either side.

Art drawn by Xoi_Nova A folf wearing a typical hoodie, but with an extension in the front for the breasts. The zippers connect on either side.

@xoinova.bsky.social made an excellent hoodie extender concept: The hoodie is normal, but you can attach a new piece to the zipper on either side, effectively extending the front end.
Not as practical for mid-day growth, but it answers the question of how the boobs fit through small shirt openings.

04.02.2026 14:55 ๐Ÿ‘ 9 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

It's been a whole lot of any days now. I'm surprised the indentation she's surely making on the building can't be seen in part 5.

28.01.2026 00:55 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

I started writing this thing before they did the pixel art Yuri but I took longer so I was left playing catch-up. Truly, the author suffers muchly.

Still, check em out, they draw cool stuff.

18.01.2026 03:29 ๐Ÿ‘ 5 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0