The one larger testicle (usually the left) that all true drummers have. Possibly due to the shape of drum stools and the large amount of time drummers spend on them.
Girl 1- "I heard you hooked up with the drummer last night?!"
Girl 2- "I did, you should have seen his balls.. one was HUGE! "
Girl 1- "Classic case of drummers nut then?"
by drugstore cowboy July 18, 2011
Get the drummers nut mug.