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."
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 7, 2010
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 10, 2011
To have sexual intercourse or making love.
by Pointsource1 May 21, 2009
by l'americain January 24, 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 19, 2005