A program for a computer game that enables cheating.
Grand Theft Auto III has trainers that allow you to have infinite ammunition.
by Brian December 5, 2003
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A Program/Tool that gives extra features/abilities to the player that the game did not intend for that helps in the Defeation of an opponent.
Trainer that Enable a Person to Fly, have more ammo, Have more HP Then others...
by ThatGuy44 December 10, 2006
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1) A British slang term for shoes; specifically running shoes or cross fit shoes.

2) A term used to describe an uglier women whom you are engaged in sexual relations with, but solely for the purpose of gaining experience.
1) "Oi mate! How you like my new trainers?" "Fookin' mint, mate!"

2)"Awh, man, she's a solid -10 though." "Yeah, but she's just a trainer."
by the.last.panda April 30, 2014
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A kind fun loving person, someone who has a big heart, but an even bigger penis. Good kisser and is a romantic. Loves to hangout with friends, and have a relationship, generally shy at first but becomes an open book once you know him/her.
-girl "man this guy is such a trainer"
-girl "I'd love to have a trainer plow me"
by Jim adams September 13, 2014
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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."
by Frances Winwar January 13, 2012
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