MrBro 

MrBeast's brother.

He now posts videos on a gaming channel called CJTheseDays

"Where tf did MrBro go? He hasn't uploaded in so long."

"Not on his main channel. He still uploads on another channel he owns."

MrBro by MyPseudonymThatsNotMyName September 7, 2022

MRBossFTW 

BOSSMAN FUCK THE WORLD OR WHATEVER HIS NAME IS

Ned luke: don't believe MRBossFTW!
me: ok i won't

MRBossFTW by bossmanftw May 1, 2020

mrblocku 

The guy who has $19 fortnite cards

mrblocku: ok $19 fortnite card who wants it

mrblocku by lil shangswang March 1, 2021

Mrbreast 

Mrbreast is very rich youtuber with lots of money!!!!

Mrbreast give me money.

Mrbreast by Ape Minded Individual January 20, 2021

Mrrow 

a sound a cat makes when they are amused, a type of meow

commonly used by the Erin Hunters in their Warriors series

"she added with a faint mrrow of
amusement" - Warriors: a vision of shadows

Mrrow by FandomKitty April 10, 2019

Mrbossftw fanboys 

The most toxic fanbase ever they literally dedicate their lives to find every hate comment on MrBossFTW’s videos and reply to it defending them

Mrbossftw fanboys are just pathetic brainwashed trolls who believe his lies

Mrbossftw fanboys by Average Guy#55 November 1, 2020

marbro 

A friend (usually black) that will borrow you a Marlboro cigarette.

Hey Marbro, hows bout another cig?

marbro by CosmicRider December 14, 2008