3 Answers

A sculpture representing a person's head, shoulders, and upper chest.
A woman's bosom.
The human chest.
[French buste, from Italian busto, possibly from Latin bustum, sepulchral monument.]

bust2 (b?st)

v., bust·ed, bust·ing, busts.
v.tr.
Slang.
To smash or break, especially forcefully: "Mr. Luger worked it with a rake, busting up the big clods, making a flat brown table" (Garrison Keillor).
To render inoperable or unusable: busted the vending machine by putting in foreign coins.
To cause to come to an end; break up: an attempt to bust the union.
To break or tame (a horse).
To cause to become bankrupt or short of money: "Too often, the promise of a high-tech design leads to a weapon that busts the budget" (Business Week).
Slang. To reduce in rank. See synonyms at demote.
To hit; punch.
Slang.
To place under arrest.
To make a police raid on.
v.intr.
Slang.
To undergo breakage; become broken.
To burst; break: "Several companies have threatened to bust out of their high-wage contracts by the dubious technique of declaring bankruptcy" (Washington Post).
To become bankrupt or short of money.
Games. To lose at blackjack by exceeding a score of 21.
n.
A failure; a flop: "The home-style bean curd is a bust, oily and rubbery" (Mark and Gail Barnett).
A state of bankruptcy.
A time or period of widespread financial depression: "Bankers consider the region's diversified economy to be good protection against a possible real estate bust" (American Banker).
A punch; a blow.
A spree: a fraternity beer bust.
Slang.
An arrest.
A raid.
idiom:
bust (one's) butt (or ass) Vulgar Slang

Yep ROMOS has put the lot every meaning

Boom