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A take on the popular term "winning," it refers to identical thoughts or behavior, as well as to brilliance.
Person 1: "Oh my gosh, I was just about to say that!"
Person 2: "TWINNING!"

Person 1: "Uh, we're wearing the same sweater?"
Person 2: "TWINNING!!"
by .,.,.,.,.,. January 06, 2012
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2
When someone and their friend say or think the same thing, they are "twinning"
Martin was twinning with his friend, Jonathan about their hobbie
by Lil Korean kiddy March 31, 2015
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4
The act of Winning and being a Twin.. simultaneously.

Being Able to do anything you want exceptionally well with you're twin.

All Arguments Against TWINNERS Are Invalid
Yo man, look at will and garby dude they're always Twinning.

DUH #Twinning
by lyrically genius June 03, 2012
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5
Doubling your sexual pleasure by getting it in with lesbian twins.
Dude 1: I got hot DTF twins comin over tonight.
Dude 2: Bro, you are so twinning!
Dude 1: Duh... Twinning!
by StattnMacy August 18, 2011
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Twinning is performed by having intercourse with two twins. Your Winning with Twins, Twinning.
Guy1: "Yo, what are you doin' tonight?"
Guy2: "Twinning."
Guy1: "amazing"
by Jwatter August 18, 2011
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