square butthole 

When someone gets fisted so much their butthole turns into a square shape.

Becky: OMG! Did you hear about Johnny?
Stacey: No, what happened?
Becky: He got pounded so hard last night he now has square butthole.

Stacey: Wow.

square butthole by Dinotastic March 12, 2017

Square wheels 

Being unable to wheel anyone

"Dude why can't I get a girl?"

"You've got square wheels bud"

Square wheels by Izzyyyyyyyyy June 10, 2017

poonett square

Just like a science punett square, but instead of using genes it uses vaginas. Usefull for figuring out what kind of vagina your offspring will have.

Yo my bitch has a mad tight pussy, so I used a poonett square to see if my daughter would have one too.

poonett square by bloopy15 April 10, 2008

butt square naked

Totally and completely without clothing or covering. As naked as one can be.

Q: "You gonna get naked?"
A: "Man, I'm gonna get butt square naked."

butt square naked by atomicdog327 April 9, 2009

Squaresoft

Incorrect way of spelling "SquareSoft" (capitalization, people).

Capital letters are what made Columbus set sail to the New World.

Squaresoft by Fred Durst is a tool June 25, 2004

squarehead 

Most Germanic types: another synonym for Kraut; Another Hated nationality.

squarehead by J.M. Reiter June 21, 2003

square one 

An awsomely large mall in Mississauga, Ontario Canada

Sally: Hey man lets go to Square One and buy stuff!!
Anna: Yes lets

square one by Secret August 26, 2005