Top Definition
similar to the feeling of sexual climax, however experienced when thinking of the upcoming summer and getting so excited you nearly jizz your pants.
"summer is in two weeks!"

"dude, we are totally going to be drunk and high er'ry day."

"i think i just had a summergasm"
by chelsaphresh May 19, 2009
The act of having an orgasm while screaming the name summer.
"Oh, summer summer summer... I'm having an summergasm."
such as an orgasm involving summergasm
by summer makes me hott September 08, 2008
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