n. The result of bringing a sexual partner to climax with the intensity to cause a seizure. Usually the result of the proper use of a choad and avoidance of cocksphixiation.

also: the moments following "Oh my god, oh my god, oh my god..."

usually seen in the "high end" porno industry
"I thought that I killed her until I found out it as just a seizgasm."

"Seizgasm!!? I rolled over and got the remote stuck up the crack of my ass!!! Get that picaco out of here!!!"
by poopypants April 1, 2003
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