A person who behind your back shares your private messages to invade your privacy,

when you slide in gym class and yell "this be yo girls dms"

An instagram page that no one really likes, and posts trash ass memes. None one knows who runs it, but whoever does is probably homosexual

Dms sliding - When a male messages a female, but the female gets full of herself cause she thinks she is Gods gift. Therefore needs to expose said Dm's slider cause she is petty and wants attention. Not knowing that there are approximately 3billion other women the male messages daily.

When you start DMing people you barely talk to so the one person's DMs are pushed down. Usually an alternative for when you're too pussy to block them

A forever DM is someone who is either forced or willingly always plays the gamemaster or dungeon master role in table top RPGs. They spend countless hours on their campaigns just for players to shit on it.