J-train

John Scott`s penis.

Wow, that J-train is huuuuge!

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J-Train

My fucking dick.

guy: what u do last night?
me: had a girl ride the J-Train XD

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J-Train

When a crackhead rides on the train with you. As soon as he rides, it automatically becomes a J-Train.

hey man, I was taking the Metro line in L.A. and some crackhead hopped on and before I knew it, I was on the J-Train.

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J Train

A subway line from the NYC Subway System that is very slow, horrible service, and has filthy subway cars.

The J Train always has crackheads on the trains and service always backs up.