SkyfireDict

crack up   (TTS Sound)

The noun crack-up has 1 sense

• breakdown, crack-up -- (a mental or physical breakdown)

The verb crack up has 3 senses

• crack up, crack, crock up, break up, collapse -- (suffer a nervous breakdown)


• crack up -- (rhapsodize about)


• break up, crack up -- (laugh unrestrainedly)