It's your ex boyfriend or ex girlfriend who you used to have a relationship with whether it was online in real life or if it included your sex life. Your not with your girlfriend/boyfriend so they're classed as your ex.
by unknownnx July 26, 2023

The guy who now tries to sound smart every moment of his life, sends urban dictionary definitions that are low-key calling you out, and you realise why it’s better off this way :D
“Who was that guy defending video games in English like they are his precious babies?”
“Her ex-boyfriend, poor girl...”
“Her ex-boyfriend, poor girl...”
by FaelynnHolimion November 9, 2020

Break-Ups On Marriages, Or Divorces, In General
You Are Officially Ex-Married.
by Ioannis_the_word_maker October 8, 2022

by Britany hall September 5, 2021

on november 27th, along with beat a furry day, there is also hate fuck your ex-friend day. right after you participate in beat a furry day, you have to participate in hate fuck your ex-friend day that night.
Brodie: We're going to participate in Hate Fuck your Ex-friend day... TONIGHT!
Gavin: T-T-T-T-T-Tonight??
Gavin: T-T-T-T-T-Tonight??
by PaperMT November 27, 2022

In Dungeons and Dragons or any other pen and paper RPG, when the Dungeon Master (or DM) invents or gives a way for the players to live when they normally would have died.
Our DM is really easy to play with. Any time we're about to die, a little De-eMus ex Machina comes along and saves us.
by Jim Moak January 13, 2008

by ultraman20000 March 6, 2021
