[jailbait] {n.}, {slang} A girl below the legal age of consent […]

[jailbird] {n.}, {informal} A convict; someone who is in jail or […]

[jake flake] {n.}, {slang} A boring person whose company is usually […]

[jawbreaker] {n.} 1. A large piece of hard candy or bubblegum. […]

[Jesus boots] or [Jesus shoes] {n.}, {slang} Men's sandals, particularly as […]

[jim-dandy] {n.}, {slang} Something wonderful; something very good. * /Tommy's new […]

[Joe Doakes] {n.} A name used informally for the average man. […]

[John Doe] {n.} A name used for an unknown person, especially […]

[John Hancock] or [John Henry] {n.}, {informal} Your signature; your name […]

[John Q. Public] {n.} A name used informally for the average […]