bop

(noun) the law enforcement agency of the Justice Department that operates a nationwide system of prisons and detention facilities to incarcerate inmates sentenced to imprisonment for federal crimes. Synonyms: Federal Bureau of Prisons, BoP.

(noun) an early form of modern jazz (originating around 1940). Synonyms: bebop.

(verb) dance the bebop. Synonyms: bebop.

(verb) hit hard. Synonyms: sock, whop, whap, bonk, bash.