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!
El Chin Chon가 작성 2009년 02월 06일 (금)
1 more 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
audiodecoy가 작성 2005년 04월 04일 (월)