russian waterfall 

a drink. titties + vodka. Pour vodka on titties straight from handle and enjoy.

you've never really had vodka until you've had a russian waterfall

russian waterfall by Michael Sainato July 16, 2007

Russian Waterfall 

A Russian Waterfall is the situation when you gotta pee and your girl is peeing you just pee between her legs as she is sitting and peeing as well

Sally would't hurry up in the damn bathroom so i gave her the Russian Waterfall treatment

Russian Waterfall by Tamey January 10, 2012