The act of fucking the living shit out of something or someone, preferably a female.
Damn dude, I fuckin' railed that ho all night.
To fuck in a rough, hard manner.
I railed that bitch so hard, when I shot it, it fuckin' came out her nose.
Fucking a person within an inch of her life. Or just as hard.
I wanna rail the fuck out of jackie rust.
To have wild wild sex. Usually pinning someone up to a wall and given'r. Suggesting a women is on the rails of a train track and you keep pulling her into the station.
"Just fuckin railed her"
To have snorted something.
Dude, that shit we railed last night was good!
To slam, or "bang" the sexual organ out of the opposite sex.
Jake railed Christina every Thanksgiving.
When you "rail" something that usually means that you cut up something, like a pill, into a fine powder and then you snort it.
Fuck man, I can't beleive you railed a quadstack in one go!