F Train

Short for "F" ed up train. Worst train in the NYC Subway, slow as hell, always delayed, fun for kids.

God damn, the F train is delayed again, I'll never get to Coney Island on time.

by JJthedicktionare March 24, 2021

F train

The process of using a sex position, in which the guy pretends to be a train and rams the girl, with all his power, over and over again.

Dawg, I F trained that hoe.

by B-Heat March 12, 2010

ride the f train

Popular New York City slang for engaging in coitus

I rode the f train with your mom (up the butt)

by C Stan May 28, 2005

Boarding the F train

When two people are getting it on on a regular basis but without any future commitments to one another.

"Heyo, those two are leaving together for the second night in a row... are they like a couple now?"

"Nah, from what I hear they're just boarding the F train."

by snacktivity October 31, 2014