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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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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digital pyro

A person who burns all of their multimedia instead of purchasing it legally, be it cds, movies or the likes.
"Alex, yer such a friggin digital pyro. Burnin anything you can get your hands on!"
by David Chance L April 22, 2008
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pyro figent

The only thing that kinda rhymes with fire hydrant.
"Anna's egg was by a fire hydrant because her mom is a pyro figent."
by Figent Pyro April 01, 2018
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Pyro fag

Someone who watches that faggot pyrocincal
Fuckboi: I DO SUB 4 SUB
Fuckboi2: I WATCH PYROCINICAL
Fuckboi3: pyro fag, get laid pls.
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Pyro Addict

Someone that lights fires to objects to relieve stress or to calm down/relax.
Man I'm such a Pyro Addict, I had to light up some boxes to calm down.
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