A euphemism for throwing up.
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!
#puke #vomit #throw up #regurgitate #tits
av El Chin Chon 6 februari 2009
5 Words related to Rainbow smile
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
av audiodecoy 4 april 2005
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