mybrotherisyoursenpai 

They are a chaotic mutual on tiktok to say the least. They usually post a random picture with some text and some weird music. They’re cool ig:

A: Did you see the post that ‘mybrotherisyoursenpai’ made?
B: Oh which one?
A:*twerks*
B: oh

mybrotherisyoursenpai by Chesd March 5, 2022

mybrothersarat 

its your brother being a asshole everytime, like barging into your room and beats you up for literally no reason.

Me minding my own business:
Brother: *barges in room and beats the shit out of me*

My brother can suck a left nut unless he is nice or something but in this case hes a raT

my brothers a rat. -your mom

a mybrothersarat is a sibling thats a boy, making him you brother (duhh) and he likes to annoy the shit out of u and stuff and he like calling you poopy head and mean things that make you tell mommy.

mybrothersarat by Sally Mosshoe April 10, 2019

mbrother 

A famous saying by the wrestler Hulk Hogan”

“mbrother”

mbrother by Hulk hogan January 24, 2019

mcbrothers 

Derek and Mark from Grey's Anatomy

The mcbrothers are in a fight

mcbrothers by Hayhay14 May 11, 2021