Top definition
In the act of homosexual male intercourse, a male is not yet considered "gay" until his ball sack collides with his partner's ball sack thus resulting in the "Ball Clack".
Billy and Timmy were having a fun time enjoying one another's masculinity until the ball clack occurred making the entire experience totally and unrelentingly gay.
by Thunder Dome September 08, 2009
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug