do the lemming thing

To fall to your death as a result of negligence or stupidity. The term comes from Urban Terror, a popular free online FPS.

"Joe decided to do the lemming thing rather than face us in battle."
"What a coward. Or maybe just an idiot."

by MarshoT September 13, 2009

The positive z-axis.

The correct answer to the question "What's up?"

In 3-dimensional Cartesian terms, the x-axis is east and west, the y-axis is north and south, and the z-axis is up and down. So the positive z-axis is what's up.

Guy 1: "What's up, man?"
Guy 2: "The positive z-axis."
Guy 1: *rolls eyes*

by MarshoT November 30, 2009

Number 3

To vomit into a toilet. Typically done after a long night of drinking.

"Gross...someone's number 2 is gonna make me go number 3!"

by MarshoT December 01, 2009