Crump

a.	1.	Crooked; bent. Crooked backs and crump shoulders. - Jer. Taylor.
	2.	Hard or crusty; dry baked; as, a crump loaf.

Verb	1.	crump - make a noise typical of an engine lacking lubricants Synonyms: scrunch, thud
	2.	crump - bombard with heavy shells
	3.	crump - explode heavily or with a loud dull noise

crackle, crunch, scranch, scraunch, scrunch, thud