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
by soviet sam June 21, 2014