Definitions by NAUJ J

Drumming 

1.The act of your balls bouncing around in your shorts/pants making a percussion like sound. 2. The act of your balls beating against a drum kit.

1. Dude, I was running earlier and this chick totally caught me drumming!

2. See Will Ferrel Stepbrothers.

Drumming by NAUJ J June 14, 2011