Definition of crack up

Overview of noun crack_up

The noun crack-up has 1 senses? (no senses from tagged texts)

1. breakdown, crack-up

(a mental or physical breakdown)

Overview of verb crack_up

The verb crack up has 3 senses? (first 1 from tagged texts)

1. (1) crack up, crack, crock up, break up, collapse

(suffer a nervous breakdown)

2. crack up

(rhapsodize about)

3. break up, crack up

(laugh unrestrainedly)