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(n.) a stranger met while riding on the
metro/subway who you connect and talk with between stops before exchanging contact info or never meeting again
"I was riding downtown at 3am and started
chatting it up with a trainger — turns out we both
have solo tickets to the concert tomorrow so
we're going together!”

“Me and a trainger locked eyes on the subway and I thought he could be the next love of my life, but he got off at the next stop without a word. I didn’t even get his Insta. Oh well.”
trainger by richierushes September 17, 2022
Trainger (noun) — A hybrid role combining the responsibilities of a Trainer and a Manager. A Trainger trains team members, oversees operations, and steps into management duties as needed to ensure team success and service excellence.
“I’m a Trainger — part trainer, part manager. I handle both staff development and leadership when needed.”

- Devin Hawkins
Trainger by Dev-in October 9, 2025
\trânj\ v. trainged, trainging: to change trains.
Marcus had a gun. He was good with a pistol. I knew I had to trainge to the Purple Line.
Trainge by Alyssa V. & Holly T. August 14, 2007

Pokemon Trainer Red 

the strongest pokemon trainer in the world with his level 88 Pikachu and his level 84 Charizard, Blastoise and Venusaur, level 82 Snorlax and a level 80 Lapras. he is undefeated and all Gold and Cynthia fanboys/girls can go fuck themselves.
Pokemon Trainer Gold: You've come to the wrong region motherfucker.
Pokemon Trainer Red: LOL, that's cute.
Pokemon Trainer Red by RedJ February 27, 2015

beta trainer 

Usually hired by busy celebrities, a beta trainer will train beta fish so that their owners can save the time. A beta can not be trained to live forever.
"Who's that fox that's staying with Will and Jada?"

"Oh, she's their new beta trainer."
beta trainer by Frances Winwar January 17, 2012

Holy Trainer 

A device like a dick cage but worse. Used as a BDSM type of Toy, The male's shaft is coated in hard plastic, & upon getting a boner, the penis will simply fill the trainer.
"Wife just locked me in a Holy Trainer. What do?"
Holy Trainer by AkatsukiSwag May 31, 2015