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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.
F train by B-Heat March 12, 2010
Related Words
1. A rapid transit service in the B Division of the New York City Subway. operates at all times between 179th Street in Jamaica, Queens and Stillwell Avenue in Coney Island, Brooklyn. NTT announcements on the f train are voiced by Kathleen Campion.

2. Used as a euphemism for the F word & fail, mainly used by railfans
1a. Ugh I hate riding the F train with R160s because of Kathleen’s gross voice, especially when she says “the next stop is” 🤢

B. I remembered riding R40 slant on the F train back in 1993.

2. I heard that shaniqua said the F Train to a teacher and she’s going to detention. Yikes!

B. What the F-train is that!!!!!!

C. Last term math exam melonie paper was on the F train and she was too ashamed to say her test results
F train by EMD F59PHI August 23, 2024

ride the f train

Popular New York City slang for engaging in coitus
I rode the f train with your mom (up the butt)
ride the f train by C Stan June 2, 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."

Stealthie 

when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.

This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"

FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"
Stealthie by gwenhyfar October 2, 2016
Word of the Day on May 25, 2026

Summer Teeth 

When someone has a lot of missing teeth.
Mannn, that dude has summer teeth!
What do you mean?
Summer here, summer there...
Summer Teeth by BeckPot August 2, 2012
Word of the Day on May 24, 2026