International threesome day is celebrated on the 21st of January every year. This is when three individuals get together and have sexual intercourse.
by Memes.n more January 19, 2022

by Zicoesk March 15, 2020

by Undertale Fan ( ͡° ͜ʖ ͡° July 3, 2021

A devils three-way, where you touch one boob (which may or may not be the bigger one) and she leaves with the other guy.
by Zapper619 September 3, 2022

by SpaceBoi March 29, 2024

having a threesome with 2 ladyboys. You are both gay and straight at the same time since you are fucking 2 halfs a woman and 2 halfs a man.
Person 1: What did you do last night?
Person 2: I had a Schrodinger's Threesome man. Does that make me gay?
Person 1: Both?
Person 2: I had a Schrodinger's Threesome man. Does that make me gay?
Person 1: Both?
by Iwritefunnywords December 19, 2024

A threesome in which the other two members are opposites in most to all catagories (ex. one is a thicc, latina girl with dark hair and the other is a skinny white girl with blonde hair)
by jpshel August 18, 2023
