hey baby what do you say we come over to my place and you can do a couple rails off my D before we go out
by iloverails February 27, 2011

To have sexual intercourse or making love.
by Pointsource1 May 21, 2009

by l'americain January 28, 2007

by Snortsfasterthanhisshaddow November 1, 2018

or railin, To be going fast or faster than someone else. Most of the time used with cars or motorcycles, it implies that you are in such control that the vehicle feels as if it is on rails
by eroc43 April 18, 2005

To fuck someone in the Ass, and entering the full length of you dick all at once, usually without lube, causing the sensation of ripping someone a new asshole.
FUCK, you totally railed my ass last night and now it hurts to take a shit and I'm walkin funny. Next time invest in some astroglide.
by OptionAdam January 3, 2017
