Top definition
When doing your partner doggy style, your nut sack will smack wildy against your partner's ass/legs/whatever, and make a loud clapping sound.
Dude, I could hear your nut sack attack through the wall last night.
by Mike DW February 19, 2008
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