crack
— Verb
– English
~ hit forcefully; deal a hard blow, making a cracking noise; "The teacher cracked him across the face with a ruler"
crack
— Verb
– English
~ make a very sharp explosive sound; "His gun cracked"
crack
— Verb
– English
~ break into simpler molecules by means of heat; "The petroleum cracked"
crack
— Adjective
– English
~ of the highest quality; "an ace reporter"; "a crack shot"; "a first-rate golfer"; "a super party"; "played top-notch tennis"; "an athlete in tiptop condition"; "she is absolutely tops"
crack
— Noun
– English
~ a purified and potent form of cocaine that is smoked rather than snorted; highly addictive