Top Definition
A sudden, unexpected orgasm, usually occurring in the presence of something far beyond the person experiencing the beangasm. Feelings of shame and guilt often succeed the beangasm.
I was at the bar and then this super smokin chick appeared out of nowhere, i had a beangasm.

That was so awesome, i think i just had a beangasm.

I beangasmed, all over the carpet.
by timtom123 March 02, 2011

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