Top Definition
shorter word for "fuckin' insane". Applies primarily to ex-significant others who just can't let go
"My finsane ex-girlfriend e-mailed naked pictures of me to all my coworkers"
by Prof XXX January 01, 2004
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.

×