Top Definition
1. A very small penis which cannot be seen with the naked eye.
2. An invisible penis
3. What one might consider a unic to have.
4. Every man's worst nightmare.
Elyse is lucky she is no longer dating Max because he has an invisi-penis.

Max:Yo, Joe I had the worst dream ever. Dave: What was it about?
Max: I dreamed I had an invisi-penis!!
Dave:That wasn't a dream.
Max: Nooooo!!!!!
by Dave Phillips June 25, 2005

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.