(Canada, US, slang) To work or try very hard. / (Canada, US, slang) To develop a pain in the side from laughing hard.

(slang) An angry argument.

(US, informal, transitive) To physically damage or ruin / (US, informal, intransitive) To break up (end a relationship)

A decrease in the birthrate.

(idiomatic, informal) To clean dust off something, such as with a vacuum cleaner.

simple past tense and past participle of bust a nut

Third-person singular simple present indicative form of bust a nut

plural of baby bust

plural of beer-bust

plural of bust-up