crack up

A female pilot flying upside down. An FAA rating obtained by female pilots after they have logged a minimum of 15 hours of inverted flight time.

Sally is a crack up. She can fly better upside down than most pilots can fly right-side up.

by seymour heines February 28, 2008

cracked up

A person who is "high" on crack.

"dude i'm so cracked up right now!"

by itsjade October 12, 2008

crack-up artist

An individual who is involved in either:

1)Comedic delivery of wit in front of a small audience.

2)Regularly providing 'one-liners' with the purpose of amusement.

Anthony: Have you seen my keys Tony?

Tony the 'crack-up artist': Yes I sure have, there they are.. Not!

by Gus McLeary April 1, 2008

crack me up

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

cracking me up

Making me laugh

You are cracking me up!

by bradk October 2, 2013

crack myself up

to laugh hysterically at your own jokes, whether or not anyone else laughs at them.

And then the eagle says, "That's not MY nest!"...sigh. I crack myself up.

by Jordija March 25, 2004

crack someone up

to make someone laugh(see also crack up.)

"Your foolishness just cracks me up."

by Light Joker May 5, 2005