A prank carried out in public, often at the physical or emotional expense of the prankee.
Examples of Russian Pranks:
1) Setting fire to a newspaper someone is reading
2) Pulling a carpet out from someone's feet, causing them to fall
3) Dropping water on someone's head from a balcony
4) Pushing a person standing on a dock into the water 5) Putting a bucket on the head of a sleeping person, then waking them abruptly
6) Throwing a cat into someone's car
Two men that are attracted to each other engage in anal and vaginal sex with a woman that they aren't necessarily turned on by. Both men aim to satisfy the woman with plentiful orgasms, but they don't climax themselves. They satisfy her, and turn to having sex with each other to reach climax.
John and Tony had a Russian Train with Mary. They fucked her silly, but they waited to cum until after they were done with her when they butt fucked each other.
When a guy and a gal have sex while bundled up in a sleeping bag. The male will ejaculate within the bag and remove himself. He then will zip up the bag with the girl and stray semen inside and proceed to swing her about. For added effect the bag may be smacked against various objects like a tree or statue.
Veronica was being sassy, so Billy gave her the ol' Russian Sleeping Bag last night.