Top Definition
Noun:

A car lane at a major intersection where one has the rare opportunity to legally go right, left, or straight.
Driver: (rapidly approaching major intersection)
Shit man, I have no idea where to go. Wtf am I gonna do??

Me: No sweat man, its a triple-threat lane, you can do whatever you want.

Driver: Oh shit, a triple-threat lane?! That's fucking awesome!
by Limit531 November 25, 2009
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