Definitions by D3RR!CKnZ!ON

Ball-bruiser 

Another term for an "ass", mens or womens.

Where a guy is doing a man/woman in the butt, and his nuts are hitting his/her ass so hard, it bruises the sack/chode area.

"Brittany became a ball-bruiser last night while I was hitting it in my bed."

Ball-bruiser by D3RR!CKnZ!ON June 4, 2009