to smile out of happiness while crying of sadness
she had lost all hope, but love in friendship made her dawn a rainbow smile
автор: audiodecoy 4 апреля 2005
1 more definition
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!
автор: El Chin Chon 6 февраля 2009