8
When fisting a sexual partner you open your fist inside them.
"Dude she was fingering my ass and she fucking fireworked me"
by Toiletballbag September 08, 2009
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9
A sly slang term for hallucinogenic mushrooms. Can be used just to refer to mushrooms in particular or when you're really optimistic about the potence of a recent acquisition.

Also a good way to refer to drugs when talking to sober people who say hi to you on the street at random.
Stranger 1: "How's it goin?"
You: "Just waitin' for the fireworks, man."

Dealer: "You ever had these before?"
Buyers: "Nope."
Dealer: "They're some real fireworks. Have fun tonight, guys."
by Michael Gagne June 17, 2008
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10
verb for breaking up into many little pieces; to shatter; disperse.
The criminal sent a large wire transfer to the Cayman Islands where the funds then fireworks to other criminals located in Russia, Syria, Turkey and Panama.

When the vase was thrown against the wall, it was reduced to fireworks.
by Ferocious B November 04, 2013
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11
A program by Macromedia which allows one to easily design graphics for the web, which utilizes vector graphics.
Guy: Hey look, you can buy Fireworks.
Other guy: A couple hundred dollars for a single box of Fireworks?!?!
Guy: Stupid, it's a program.
by DLG June 29, 2003
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12
Upon ejaculating, a man furiously tugs on his penis with alternating hands, opening each hand when he reaches the end of the penis, thus flinging his semen at the lucky lady in an effective and jovial manner.
George: Hey Charlene, why do you have jizzum all over your face, hair, and tits?

Charlene: Oh, that? Well Kyle just gave me a firework show.
by The Human Firework October 01, 2011
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13
Best thing ever Invented
by lil Barf \' Jr. April 06, 2003
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14
A person with a combination of multiple STDs
All these fireworks are killing me! I can barely sit to pee!

Oh man, I think the Devil's threesome gave me fireworks last night!
by AKlivin December 15, 2011
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