(often followed by "to go to...") Urgently needing to urinate.

present participle of bust

(colloquial) The process of something being broken or exploded.

(US, idiomatic) To make a joke concerning; to ridicule or make fun of.

(chiefly US, informal) Used to indicate one's intention to do everything possible to achieve a goal, with failure being the only alternative.

plural of mutton busting

(UK, poker) A potential flush which ultimately was not filled. / (UK, idiomatic) Anything which ends up worthless despite great potential.

(idiomatic, informal) To nag; to berate or hound in an effort to elicit action.

A large, usually boisterous party, as for college students, club members, or soldiers, at which beer is the sole or principal beverage and is consumed in large quantities.

(idiomatic, colloquial or slang) To fire a weapon; to shoot with a gun.