When the sound of one's orgasm most resembles the sounds he/she would make when having a seizure.
Last night my girlfriend had a spasmgasm. I thought a baby seal was dying.
by AxelScar December 22, 2009
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(n)- To ejaculate uncontrollably during any given time
Johnny had a spasmgasm during his committee meeting.
by John Kellis Fernando January 5, 2007
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An involuntary bodily spasm resembling the pleasant sensation of an orgasm in another part of the body that would not usually experience orgasm.

adjectival derivatives:

spasmgasmic
spasmgasmical
spasmicgasmic
spasmicalgasmical
I am having a spasmgasm in my neck!
by Kendal Boy March 7, 2008
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When you spaz so hard you have a orgasm
Oh dude! He's having such a spasmgasm over that chick XD
by Wubwubwuubwub\omo/ March 1, 2016
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