crack_up
1. [ verb ] (medicine) suffer a nervous breakdown
Synonyms: crock_up break_up collapse crack
Related terms: suffer collapse
2. [ verb ] rhapsodize about
Related terms: laud
3. [ verb ] laugh unrestrainedly
Synonyms: break_up
Related terms: laugh
Similar spelling:   crock_up
  crack-up
  crackpot
  crock_pot
  crookback