The Pyro class from TF2 uses this weapon, it has the look of a musical instrument and fires rainbows if you have the pyro vision equipped. It makes your friends (Enemys) Smile (Scream) In Joy (Agony) as you spread the magic (Fire) around!
RED Heavy: Hey What Dose Our Pyro Have?
RED Spy: The Kids Toy Called The Rainblower.
by TheGibusSpy July 9, 2017
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Rainblow is the practice of having several females, each wearing differant colored lipstick, performing oral sex on a man. This will leave a rainbow effect on his penis.
The girls at the party last night gave me a colorful rainblow.
by Thomas Russell December 10, 2005
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Rainblow is when you are performing oral sex on a man, and its really big, your mouth starts to water down the shaft as your gag reflex kicks in, ,and then use it for lube, as you are jerking him off and sucking his cock
"The guys cock was so big lastnight, I had to rainblow him"
by Perkynips2001 July 7, 2005
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A practice, common among hetersexual men, of recieving felatio from homosexual men. This stems from the belief that homosexual men give better head.

It is important to note that participating does not compromise one's sexuality.
Kris, feeling stressed out, decided to get rainblowed by his neighbor.
by Blu57nav November 21, 2005
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When a whale spouts water with the sun at the correct angle, the viewer sees the "rainblow".
Rainblow off the port bow Captain!
by jpeg1024 November 7, 2015
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When you get multiple amount of girls, make them put on different colors of lipstick, and have them give you a blowjob.
Roger asked Molly, Tiffany, and Britney for a Rainblow Job.
by MICHAELBENHAM December 23, 2010
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The word Disney uses for "blowjob."
Prince Charming: I sure could use a blowjob.

CANCELED

Prince Charming: I sure could use a rainblow job.

ACCEPTABLE
by Your_Favorite_Pseudonym September 22, 2011
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