bust

(verb) to catch someone doing something bad

Example Sentences:

I think my girlfriend is cheating on me, so I plan to follow her and bust her with another man.

Bob was mad because he kept busting. His roommate is stealing his food!

The father was furious when he busted his son smoking a cigarette.

From the Blogs:

Alexandra Kerry Busted For DUI

Media:

Similar idioms:

1. catch someone red-handed
2. bust one’s ass
3. hold it against someone
4. like father, like son
5. plan B
6. back-up plan
7. food for thought
8. bust one’s ass
9. show-off