[jump the track] {v. phr.} 1. To go off rails; go […]

[jump through a hoop] {v. phr.}, {informal} To do whatever you […]

[jump to a conclusion] {v. phr.} To decide too quickly or […]

[jumping-off place] {n. phr.} 1. A place so far away that […]

[junked up] {adj.} or {v. phr.}, {slang}, {drug culture} To be […]

[just about] {adv.}, {informal} Nearly; almost; practically. * /Just about everyone […]

[just for the fun of it] {adv. phr.} Merely as a […]

[just for the hell of it] See: [JUST FOR THE FUN […]

[just in case] {adv. phr.} For an emergency; in order to […]

[just in time] See: [IN TIME].