The is the greatest offence ever created, it is the brain child of the person who added it to the urban dictionary. The phrase (Homo-incestual-pyro-negro philiac) means, someone who has sex with someone the same sex as them, related to them, whilst they are dead and on fire.
An example of Homo-incestual-pyro-negro philiac is:

A Boy walks into a grave yard finds his great great great uncle, digs him up, sets the corpes alight and has sex with it.
by Adamski Belletovinch December 01, 2006
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dirty pyro

A word used to describe someone who desperately needs to have sex with their partner.
by Daze69 June 24, 2021
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Pyro Syndrome

When you're a white, straight male but people confuse you with a lesbian female.
Jeff suffers from Pyro Syndrome since everyone things he's a lesbian.
by Mostwanted2k April 27, 2023
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The Pyro Effect

Also called the 'Domino'-effect. Originates from the famous historian Lord Pyro the 42nd. He would have one of his frequently-seen periods of rage, and this feeling would stick to others. Happened a lot during wars and outings. He would later assault his team-mates, with only one type of weapon, which has spawned the term "One-item".
A: Great, my character just died. I don't want to play anymore.
B: Careful of The Pyro effect now.
by Sgt.M.Vladimirov December 14, 2010
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bong pyro

when pyro has a bong attached to his mask instead of a filter. He is now breathing the chemicals instead of avoiding them
pyro:*commits bong pyro*
scout:can I join
pyro:*has a second bong*
by raybeez March 01, 2022
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Pyro

(Short for Pyromaniac)

1. (n) A person who likes fire - maybe just a bit too much.

2. (n) A character from the game Team Fortress 2 who was added for the sole purpose of being annoying as fuck to fight.

Note that these two definitions are not mutually exclusive.
1.
Karl: Georgy, dude, are you OK? You just lit your homework on fire...
Joseph: He's a pyro. Don't worry about it.

2.
Adolf: GOD DAMN IT! I got killed by afterburn again! Pyros are so fucking annoying...
by A Potato-loving Cactus September 16, 2019
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Pyro

Youngins who cap on being piru
He had the cojones to say he’s piru but he a pyro
by Coconutenyobitch March 12, 2022
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