Urban Dictionary: The M-Train

noun - Sudden need to masterbate, causing disappearance to the bathroom.

"Where's Chris?"
"He saw that girl's booty and hopped on the M-Train."

by Max Landis February 26, 2004

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v - to drop from a difficult major like engineering or a science and switch to mangement.

See also Tech Trolley

Most of my friends dropped Computer Science and hopped on the old M-train.

by Anonymous November 05, 2003

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1)n. To get high on Marijuana.

2)adj. To be high on Marijuana

This term was originally used by students at Reseda High School.

1) Hey Guille, lets get on THE "M" TRAIN.

2) Are you on THE "M" TRAIN?

by MartinReseda1992 January 03, 2009

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a girl's period.

she's crazy, and to make it worse, her m-train hasn't come yet...let's ditch her and egg some random persons house because we're brainless idiots!

by dude...somebody knows! November 06, 2003

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