When you laugh so hard that a liquid you were drinking comes out of your nose
"Matt just had a shenanigasm, and the chocolate milk he was drinking went all over everything"

by myewoerzsd March 04, 2009
2 more definitions
Top Definition
When you and your friends commit such epically fantastic shenanigans that you get off on it.
Dude, last night when we all shat in that bitch's toilet tank, I totally had a shenanigasm!
by manbearpig42 September 12, 2010
Catching your partner in a fake orgasm
Jimmy and jill were having sex and jimmy could tell jill didn't cum so he called her in the shenanigasm!

Bill: so I was hitting Beth last night and she totally faked it so I called her on her shenanigasm!"
by shyde's crew October 13, 2009

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