River Raisin
A sexual act where a man or woman pees at the top of their partners butt crack, allowing the pee to run down their crack and flowing over their butt hole, aka your gray raisin.
"Dude, I gave Jordan a River Raisin the other day. He loved it but the clean up wasn't fun"
The river raisin volcano
When your fucking from behind and insert mentos and diet soda into the other persons asshole. Remove your duck and watch the volcano erupt.
Greg told me he gave his wife the river raisin volcano last night
River Raisin rainbow mustache
When 2 guys put skittles in each others asshole, then proceed to eat them out
Terry and John both had river raisin rainbow mustaches from all the skittles in each others assholes
the river raisin snot rocket
When a male is receiving oral sex and about the time he cums he grabs his partner by the ears and cums til it comes out the other persons nose.
Dave: I gave Jackson the river raisin snot rocket the other day while he swung his jazz hands around and snot rocketed all over my dick.