1. A polite way of saying "go fuck yourself", "fuck you", or even just "goodbye". Short form for "light your ass/self on fire".

2. A way of saying "thank you".
EXAMPLE 1
You: Stop being a bitch.
Me: Light it.

EXAMPLE 2
You: Dinner's on me tonight.
Me: No, you paid last time.
You: No, seriously.
Me: Light it.
by LB79 August 30, 2006
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1. A polite way of saying "go fuck yourself", "fuck you", or even just "goodbye". Short form for "light your ass/self on fire".

2. A way of saying "thank you".
EXAMPLE 1
You: Stop being a bitch.
Me: Light it.

EXAMPLE 2
You: Dinner's on me tonight.
Me: No, you paid last time.
You: No, seriously.
Me: Light it.
by LB79 August 31, 2006
Get the Light It. mug.
A game played between 2 people. One person puts their hand on the other person's leg and slides it up their leg, toward their genitals, until one of the players gets uncomfortable and stops the game. The object of the game is to see how close person 1 can get to person 2's genitals before someone gets uncomfortable.
Man: Dude, did you see those guys playing red light green light?
Dude: Oh hell yeah man, they went all the way up!
by StayingWoke258 September 8, 2017
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high bobmarley gets light all the time the only way to get high is if you're light
dude i was blowin last night and i still feel light.
by jomomma deeeeed July 1, 2009
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When there's so very many lights from a city that it obscures the night sky, making star~viewing almost non~existant.
Gawd, I Hate Light Pollution because it interferes so badly with my viewing of the stars & moon at night! There's so much better viewing in a small city or the countryside!
by Starchylde July 19, 2015
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The act of swordfighting, with the addition of a bendy glowstick shoved in the urethra while the lights are off.
We were swordfighting, but the lights went out, so we tried Light Sabering instead!
by broodholme July 5, 2020
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