It happens after you eat to much spicy food, and it causes you to fart in a burning matter as if someone shoved a blow torch in your ass.
Husband: Thank you hun, That was the best spicy enchiladas ever.

Wife: You're welcome *Smiles*

Husband: *smiles back and Farts* CHRIST!!! WHAT THE FUCK DID YOU DO TO ME?!!!

Wife: Are you O.K.?

Husband: that was the worse pyro-fart ever, My ass is still on fire.
by BrooklynsTyrant April 20, 2009
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Anyone who has natural orange hair and pubes.
Eric: Did you see that kid with the orange hair and pubes?
Dan: Ya, he's such a pyro pubes.
by flame on April 30, 2007
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a flaming hot ass. so hot you just want to take a fire extinguisher and spray foam all over it. Alternately its a foursome including a gibberish speaking chinese man.
did you see that pyro booty? If the fire truck wasn't here I'd drop my pants and extinguish it now!
by mysteryguitarman August 16, 2009
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Emo person who uses fire to threaten themselves and others.
some examples of an over-typical pyro-emo

I'm gonna light myself on fire instead of cutting myself because it hurts more.

I'm gonna light you on fire because you're being mean to me and making me angry and depressed.
by Blazer Mario May 26, 2007
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A person who is obsessed with fire and loves lighting things on fire for no reason
Kayla is a Pyro maniac
by Cool.472 July 28, 2018
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