Act of eating a woman out while she is on her period.
Unable to control his blood fetish gary tasted sally's rainbow.
by John March 18, 2005
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The first time a person (usually a woman) engages in an extremely homosexual act (usually carpet munching).
Dude, did you hear about Emily?

Yeah man, I heard she and Sha-Nay-Nay got drunk at that party and tried tasting the rainbow.
by B_Dizzle April 11, 2006
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When a man inserts Skittles into his penis, then cums inside of the mouth of another individual. Hence allowing that person to,"Taste the Rainbow."
#1,"Sorry to tell you this man but I made your wife taste the rainbow."
#2,"It's ok cause i know how much your wife likes to taste the rainbow."
by Lion Tiger April 4, 2010
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Eating a chick out when she'z on her rag.
Them Skittles commercials just ain't right anymore.
Thomas L. couldn't stand not tasting annie, so he pinched his nose tasted her rainbow, alll night long. He didn't count on the yeast but oh well.
by Bob and Tom March 18, 2005
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A sexual position in which Skittles are placed in your partners vagina/anus and then you eat them while performing oral sex.
Jose: Hey buddy, how was your date last night?

Jack: It was fucking awesome! Your sister is a total slut and let me taste the rainbow in your driveway.
by Cancer and AIDs October 22, 2009
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When a man eats a girl out whilst she is suffering from blue waffle.
Guy: Hey I heard your gf has blue waffle!?

Guy 2 : You bet! I love to Taste the Rainbow!
by Bagdelene April 7, 2011
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The act of suckling on the testicles of someone who wakes you by tattooing or spray painting their testicles all the colors

of the rainbow and proceeding to tea bag you.
Greg enjoyed tasting the rainbow this morning. Kyle is so nice to him.

To taste the rainbow, make sure you don't eat anything before going to bed.
by Cheese Trailer January 29, 2014
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