crack up

Etymology

Definitions

1. 1

   To laugh.

   • It was hilarious. We were cracking up the whole time.
2. 2

   To break.

   • She got through the war, but cracked up when her sister died.
   • All rather inhuman and undernourished, isn’t it? Well, that, children, is the true sign of cracking up.
3. 3

   To affect the image of something.

   • She wasn't as impressive as Katie cracked her up.
4. ›+ 2 more definitionsshow fewer

   1. 4

      To smoke crack cocaine.

      • I need to crack up.
   2. 5

      Funny

      Funny; hilarious

      • That joke was crack up.
      • "It was crack up!"
      • In town people would stop and say to me, “Hey Becky, that cat story was crack up.”

The neighborhood