A person who is really messed up in the head :D
Deadly Rainbow Ran over to her Vespa and sat on while screaming "TAAAAAAAAAA-KUUUUUUUUUN!!!!!!"
by Jes (Deadly Rainbow) May 14, 2004
1 more definition
Where there are tons of little, or quite large, bruises on your legs, arms, various parts of the body in different colors, causes may include abuse, weakness, etc.
Girl: "Oh my glob, there is a deadly rainbow on my leg!"
by le.git.broster April 22, 2012