Twin-Chan

An awesome friend who might as well be your twin.

You're my twin-chan.

by Ramona6437 December 20, 2010

Twin Piston

When a male wears a strap-on backwards and proceeds to have sex with two women at the same time. One in front and one behind

Bro, my ex called me last night and wanted to have a three-way with her best friend. Needless to say, I brought out the twin piston

by sthrock4 May 4, 2017

Cover Twins

Two people that are suspected, or actually, having repeated sexual encounters.

"The two of you are definitely cover twins!"
"I bet that they're cover twins... They're always spending so much time together"

by abcdef36 September 25, 2011

Home Twin

A male or female you feel like is your sibling.

Me and my home twin, stayed up all night partying. fam ride or die

by Trill_Queen_<3Areil August 20, 2016

Twin Sisters

A less crass way of saying a pair of tits

This beat is colder than two diamonds on twin sisters

by SauceMilliken December 8, 2021

Profile twin

a profile twin is like a type of social media user who has the same profile picture as you (if the pic on your profile isn't u but a photo from google and another person has the same one on theirs)

me and my friend have the same kermit the frog meme profile picture on twitter so we're profile twins

by Emilia Fernandez July 30, 2019

Twin Swapping

The Twin Swapping is when your wife is out of town and her twin comes over so you fuck him in the ass.

My wife lily went out of town for business and her twin luke came over and asked about twin swapping so I fucked him in the ass

by 417wsm February 16, 2023