What is Bust ?
Bust is (noun) 1. a sculpture of the head and shoulders Have you seen the bust of the Prime Minister ? 2. a woman’s breasts (adj) (informal.) 1. broken The washing machine’s bust. 2. to go bust to fail, to be bankrupt Thousands of people lost their savings when the bank went bust. ((verb)) to break (informal.) She’s bust my precious vase! He hit the ball hard and it bust a window. (NOTE: busting busted or bust)
source: Easier English, Student Dictionary Upper Intermediate Level