Residential Advisor I'd Like (to) Imagine Not Graduating.
If he's not trying to be the bad guy, then he's doing a terrible job, because hes a total R.A.I.L.I.N.G.
by GoofyGuy April 04, 2011
Fucking, shagging, nailing a broad.
Dude, I was railing a girl last night that looked like a lagoon creature. What the fuck was I drinking?
by tpangallo October 07, 2006
The act of snorting or "horking" some form of substance; (i.e. cocaine, meth, ecstasy, ketamine.. and other forms of illegal or prescription drugs.) Mainly giving yourself a "high" that could or could not be the same result that you would receive from taking any substance orally or anally.
-"What!? You railed BOTH of those pills?! Nice."

-"I was railing ecstasy."

-"Brittany Murphy just was the railing queen. Come to think of it, so was Lindsey Lohan."
by Cunt Queen January 03, 2010
The head of your penis needs to tap her vulva. Some believe the shaft needs to hit, but once just the head happens, railing has occurred.

A doctor might say you've been "Balls Deep."
Dude, after downing three Flora Doras, I blacked out. I woke up hours later, railing that hot girl from the Boat Launch!
by Hip-Hop_Anom November 07, 2010
Played in the subways, railing is when you bolt down the train tracks right after a train has left the station, all the way down to the next station. The objective, of course, is to make it to the next one alive. The traditional round is played directly after the last passenger train has left, which is trailed then by the midnight express.
I hate railing in Russia, too many cables along the tracks; you're bound to trip cost you the game!
by Douglas Young January 25, 2008
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
I was railing down the freeway at about a hundred switching lanes
by eroc43 April 18, 2005

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