Top Definition
1. An orgasmic fit. Occurs after two intense orgasms in a row; you will begin spasming out of control in a continuous fit of orgasms. Mostly happens to females.
"Yeah I gave this girl a fism last night."
by Influx November 20, 2004
5 Words related to Fism

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×