crack up

verb

Definition of crack up

  1. transitive verb
  2. 1 :  praise, tout 1 wasn't all that it was cracked up to be

  3. 2 :  to damage or destroy (a vehicle) by crashing crack up a car

  4. 3 :  to cause to laugh out loud that joke really cracks him up

  5. intransitive verb
  6. 1 :  to damage or destroy a vehicle (as by losing control) cracked up on a curve

  7. 2 :  to laugh out loud

Examples of crack up in a Sentence

  1. that sports car isn't all it's cracked up to be

  2. the movie is being cracked up as the blockbuster of the summer

First Known Use of crack up

1829



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to become worse as time passes

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