A thin and usually jagged space opened in a previously solid material.
A narrow opening.
A sharply humorous comment; a wisecrack.
Crack cocaine, a potent, relatively cheap, addictive variety of cocaine; often a rock, usually smoked through a crack-pipe.
The sharp sound made when solid material breaks.
Any sharp sound.
A sharp, resounding blow.
An attempt at something.
Vagina.
The space between the buttocks.
Conviviality; fun; good conversation, chat, gossip, or humorous storytelling; good company.
Business; events; news.
A program or procedure designed to circumvent restrictions or usage limits on software.
(elsewhere throughout the North of the UK) a meaningful chat.
Extremely silly, absurd or off-the-wall ideas or prose.
The tone of voice when changed at puberty.
A mental flaw; a touch of craziness; partial insanity.
A crazy or crack-brained person.
A boast; boasting.
Breach of chastity.
A boy, generally a pert, lively boy.
A brief time; an instant; a jiffy.
To form cracks.
To break apart under pressure.
To become debilitated by psychological pressure.
To break down or yield, especially under interrogation or torture.
To make a cracking sound.
(of a voice) To change rapidly in register.
(of a pubescent boy's voice) To alternate between high and low register in the process of eventually lowering.
To make a sharply humorous comment.
To make a crack or cracks in.
To break open or crush to small pieces by impact or stress.
To strike forcefully.
To open slightly.
To cause to yield under interrogation or other pressure. (Figurative)
To solve a difficult problem. (Figurative, from cracking a nut.)
To overcome a security system or a component.
To cause to make a sharp sound.
To tell (a joke).
To break down (a complex molecule), especially with the application of heat: to pyrolyse.
To circumvent software restrictions such as regional coding or time limits.
To open a canned beverage, or any packaged drink or food.
To brag, boast.
To be ruined or impaired; to fail.
Highly trained and competent.
Excellent, first-rate, superior, top-notch.