The controversial pastime of twins, separated at birth, who upon being reunited as adults get overly rambunctious and find their reunion goes a little too far.
"Daisy, it must be nice to be reunited with your twin, what have you two been up to all summer?"
"Oh, just ... twinning."
"... ... oh. Oh my."
A type of transformation involving a person being transformed into a copy of someone else.
Example 1:“I have a raging twinning fetish and I am completely fine with it ruining my life”
Example 2:“Dude imagine if I got twinned into Agent Smith during the matrix’s sequels and it was shown onscreen, now THAT would be hot!”
A subgenre of TGTF, twinning is a type of transformation/TF involving one person being transformed into a copy of someone. This type of TF dates back to the late 2000s as a subgenre of TF, though it was probably popular prior to there being a name for it
"They have an episode of Miraculous Ladybug with a villain that twins people into herself!"
"Do you even KNOW how hard it is to find male twinning? I'm stuck with 3 stories, 2 drawings, the Matrix trilogy, and that one Doctor Who epsiode!"
When identical twins pose as each other for mutual benefit.
I called a twin favor for finals. I studied only History and English and took those tests twice while my sister took Math and Science twice.
let me introduce to my friend Mr. Johnson and the Juice Twins
Some one with small muscles and a small penis who dresses and acts in a manner in which one would think they are strong, but in fact are weak little bitches.
“Hey dude, put some fucking weight on the bar you prep twin.”
When you and a friend (usually best friend) share a girl in the same day/night
This girl wanted to get with me but said she had to get with me and my friend we are the flip twins