(derogatory) A child born to a mother who uses cocaine, especially crack cocaine, or any child with substance abuse related birth defects.

(Canada, US, vulgar, slang) The gluteal cleft.

(US, vulgar, slang) The gluteal cleft.

A crack in a horse's forefoot; a sand crack.

(idiomatic) To attempt or try.

(criminal slang, dated) To break into a house.

crack cocaine

A mixture of baking soda and cocaine in solid form that is smoked in a pipe as a narcotic.

(idiomatic, often with 'on') To take harsh action (against), as when enforcing a law more stringently than before.

(idiomatic, intransitive) To laugh heartily. / (idiomatic, transitive) To cause to laugh heartily. / (intransitive, idiomatic) To become insane; to suffer a mental breakdown.