Top definition
When a bartender puts LSD into one of the bottles and forgets which.
"I forget which bottle I stashed the LSD in."
"Give me a shot of everything, time for a game of Rainbow Roulette."
by cajunmike September 13, 2011
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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2
Rainbow Roulette is a drinking game in which a group of gay men randomly select mixed drinks that all but one have been drugged with viagra. The last drink is drugged with rohypnol.
Make sure you bring plenty of lube when playing Rainbow Roulette.
by Wooticus Maximus October 11, 2016
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

Buy the plush