Top Definition
When you stick your erect penis between another being's armpits (perferably sweaty) and hump them from the back. It is very arrousing, and very rare.
I was the first person to invent armpit fucking.
by Dan November 02, 2003

Free Daily Email

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

Emails are sent from We'll never spam you.