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1.
lip piercings on both sides of a womans lips
snake bite piercings=cock rails
by Ace McClain December 08, 2006
 
2.
Snake bite piercings on the bottom lip.

Like a train track for your wang.
Ashley from WWE has a cock rail, how convenient!
by stevestevesteve September 25, 2007
 
3.
The art of having sexual intercourse with a rooster, moments before cutting off its head and finishing inside of its neck.
My weird hipster friend always ends his night with a cockrail party.
by bud mundy December 13, 2010