Top Definition
To do something creepy or particularly weird (usually in a sexual way).
Samantha was outside the shower stall when i left. She genfanned me.
#genfan #creepy #weird #sexual #unnecessesary
by WowImhilarious March 20, 2011
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.

×