1 definition by thefunkychicken

Top Definition
When jizz has dried on the crotch of your underwear, leaving the material as stiff as cardboard
"Is this pair of boxers clean?" *feels* "Nope. It's got cardboard crotch."
by thefunkychicken May 03, 2009

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.

×