1 definition by dangletsbang

40th base

having your roommate walk in while jacking off to a picture of his mom, and then joining....similtaniously sticking a frozen banana up a monkeys twat.

guy one: dude awesomest thing happened last night!!!!!!
guy two: what?!
guy one: i got some serious monkey action.
guy two: no way! 40th base?!?!? well done dude!

by dangletsbang August 2, 2008