plural of crack-rope

(obsolete) A person who deserves to be, or is likely to be, hanged; a gallows bird.

simple past tense and past participle of crack up

plural of voice crack

(informal) A sudden, unexpected and unintentional change in the pitch of one's voice when speaking or singing, which often affects boys during puberty.

An expert marksman with a gun.

plural of crack shot

The signal for the final dissolution of all things by God; the last trump; the end of the world.

plural of ab crack

(informal, simile) Utterly crazy or insane.