A unigasm is a solo orgasm, usually achieved on a Friday night when there are no dates or friends available, and reruns are on the television.
Jillian heard the familiar answering machine, sighed, hung up her phone, and went to her room to try and make her mundane life exciting through a unigasm.
by OmnipotentRulerOfCheese August 03, 2009
When a girl has multiple orgasms, even though uni- is the prefix meaning 'one'
"Me and Jeff hooked up on Thursday, and he made me Unigasm."
by SammieKitty June 16, 2007