Top definition
Long form for russian.

Sex in which a man places his penis between a woman's breasts and slides it up and down until ejaculation. The woman helps by pushing her breasts together to form a channel.

The best way to have russian sex is with a girl that has huge, natural boobs.
by Michael Porter March 18, 2007
Happy St. Patties Day!
Haven't washed your ass, smell like yesterday sex, when you have sexual relations and you haven't showered yet you still smell like yesterday
Man,dog, I woke up this morning and had some nasty Russian sex with that girl we met last night
by Sweetteabone December 24, 2013
Happy St. Patties Day!