Top Definition
The sexual reaction of people to Black Eyed Peas' 'My Humps'. Similar to an orgasm but far more violent and all-over-the-place. Also results in spilled liquids, but generally of the alcoholic kind.

'OMIGOD THEY ARE PLAYING MY HUMPS'
*humpgasm*

'Did you just see Cindy? I think she humpgasmed!'
by Oody May 12, 2006
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