crack up (v.)
- ablate
- atomize
- bang
- blow
- bump
- cannon
- carom
- cave
- clash
- collapse
- collide
- concuss
- consume
- corrode
- crack
- crash
- crumble
- crump
- crunch
- damage
- decay
- decompose
- disintegrate
- disjoin
- disorganize
- dissolve
- droop
- drop
- encounter
- erode
- faint
- fatigue
- flag
- flip
- foul
- gasp
- harm
- hit
- hurt
- hurtle
- impact
- impinge
- jade
- knock
- loss
- meet
- molder
- pant
- percuss
- puff
- sabotage
- shipwreck
- shock
- sideswipe
- sink
- smash
- split
- start
- strike
- succumb
- tire
- unravel
- weary
- wheeze
- whomp
- wilt
- wrack
- wreck