Ball Smush 

The slimy cheese like substance you find hidden between your ball sack and your thighs.

Guy - "Suck my dick, women"

Women - "Ew no, you have Ball Smush"

Ball Smush by That boy with the fox tail <3 June 1, 2016

ballsmasher 

When you hit someone in the balls with your knee then you are a ballsmasher

Bruh, You are such a ballsmasher you totally ballsmashed that ass Flavio!

ballsmasher by Mangoloverzzz June 6, 2016