round-square 

To create a round-square would defy the laws of physics, philosophy, space, time, and spacetime. Such a thing could possibly cause the unweaving of the fabric of time and space. Existence as we know it would cease.

Uh-oh ... is that a round-square? ...

*POP*

round-square by Coffee May 2, 2005

Round square 

A hypocrite

He is such a round square

Round square by Spicy gremlin addict 334 May 23, 2022

Giant Small Skinny Fat Round Square Balls 

Balls

Wow thats some Giant Small Skinny Fat Round Square Balls.

Giant Small Skinny Fat Round Square Balls by SudirtPigMan October 9, 2022

square peg round hole 

anal fisting. comes from the square knuckle shape of the fist not fitting up the ass

my gf is into some really kinky shit. last night she wanted me to square peg round hole her

square peg round hole by analplaya2 March 8, 2011

a square peg in a round hole 

A misfit

Her form teacher forced her to dance at the performance when she's not good in it.What a square peg in a round hole!

a square peg in a round hole by Da RC Ninja May 29, 2017