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Wiktionary
bust up

vb. (context US informal English) To physically damage or ruin

WordNet
bust up

v. smash or break forcefully; "The kid busted up the car" [syn: wreck, wrack]

Usage examples of "bust up".

I ain't scared while we're all here, all that's alive, but I ain't gonna see us bust up.

En didn't I bust up agin a lot er dem islands en have a turrible time en mos' git drownded?

They conspire to bust up a country--they fail, and they're traters.