Top definition
to smile out of happiness while crying of sadness
she had lost all hope, but love in friendship made her dawn a rainbow smile
by audiodecoy April 04, 2005
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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
Dude, this kid in my class got sick and totally rainbow smiled alllll over the room. He couldn't even make it to the bathroom!
by El Chin Chon February 06, 2009
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Cleveland Steamer Plush

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

Buy the plush