Top Definition
when someone says something funny and you start laughing uncontrollably you say "YOU CRACK ME UP!"
person 1: he is planning world freckelation!
person 2 who is laughing uncontrollably: dude! u crack me up!
by golden weirdo July 20, 2008

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.