When a male or female takes an unusally large dump which looks like a sub-marine, then freezing it, and later using it as a dildo on their partner, to let it melt slowly inside of them :(
Well my sick ass friend told me that he was going to use the Russian Pipeline one day, then cracked up laughing because it was the sickest thing ever!
by Uwanablikeme May 18, 2006
when 3 russian people are lined up mouth to anus but they are naked in the freezing cold.
Me nikoli and sam had a russian-pipeline last night. My knees froze off
by soviet sam June 20, 2014