Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: crack-up  'krak,úp
  1. A mental or physical breakdown
    - breakdown
Verb: crack up
  1. Suffer a nervous breakdown
    - crack, crock up, break up, collapse
  2. Rhapsodize about
  3. Laugh unrestrainedly
    - break up

Derived forms: cracked up, cracking up, cracks up, crack-ups

Type of: collapse, exalt, express joy, express mirth, extol, get, glorify, have, laud, laugh, proclaim, prostration, suffer, sustain