(slang) The space between the buttocks.

Alternative form of what's the craic

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

(cooking) Wheat grains that have been cut or crushed without further milling.

(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