Top Definition
To eat skittles or other flavorful candies out of a females reproductive organ.
"Dude did you give sam the rainbow last night?"
by Amanlacyaubjosh June 25, 2008

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the act of blowing your load over a midgets head. not on their head, over their head.
When Tom finishes having sex with his midget wife, Shelly, he always does the rainbow to her.
by rapingyourmind April 27, 2010

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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When a guy gets the girls period blood in his mouth, she gets his jizz in her mouth, and then they swap them.
Dick and Jane love doing the rainbow at their dungeon sex parties.
by DirtyStoner420 July 12, 2013

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt