Top Definition
To punch someone in the undies. With your penis usually.
Me: How was your date last simo? Any undie punching?
Simo: Hell yeah, was awesome too. Plenty of undie punching to be had.
by Rodney Stewart March 12, 2008

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.

×