n. A shower of urine delivered onto the victim by a multicultural group of pissers.
In prison, Sven, Tuan, Rajif, Leroy and Chief Bigbear all gave Stevie a rainbow shower.
af Mango 2. januar 2003
2 more definitions
Vomit play. Contrast with "golden shower", "brown shower", etc
af Anonymous 29. maj 2003
A group of people pissing on one person
"I just sat there under a stream of rainbow showers"
af Chris1372 25. marts 2008