Cracker jack Synonyms

Cracker replaced

(noun) a person who illegally gains access to a computer system and sometimes tampers with its information
(noun) a thin crisp wafer made of flour and water with or without leavening and shortening; unsweetened or semisweet
(noun) firework consisting of a small explosive charge and fuse in a heavy paper casing

CJ is an abbreviation for Cracker Jack

What does CJ stand for?

CJ stands for "Cracker Jack"

(noun) a piece of cloth with a special design that is used as an emblem or for signaling
(noun) an adult male human being
(noun) one who operates or navigates a seagoing vessel