Commonly used in text, this stands for "Me Personally".
Nerd: I don't understand why Monster Energy gets so much hate. I think they have some good drinks mp.
Based GigaChad: Well mp you're just a fucking nuketard.
Another way to say "My pleasure".
Person 1 txting person 2: "thanks for the ride"
Person 2's responds: "Mp"
MP stands for Magic Points. It is a term commonly associated with with fantasy/magic involving games. Every spell or action requires MP. If you are out of MP, focus on replenishing it otherwise you cannot perform most actions.
Hey! I am out of MP! I need the Restoration Potion, quick! I need to cast Apocalypse Abyss which requires 70 MP. I only 3 left!
An "MP" is someone who is inconsiderate, manipulative, and pretty much a pick-me boy
tends to not respond to messages, victimizes him self
**disclaimer**: if you meet an MP get out of the relationship as soon as possible, do whatever it takes to not talk to them again.