MBR 

Acronym for "mutually beneficial relationship". i.e. sugar daddy/sugar baby dynamic

"Hey. Bob in accounting has a new hot girlfriend. She's gotta be 10 years younger!"
"Yeah. I hear they are in a MBR. She's his sugar baby."

MBR by IviiSkii July 6, 2018

MBR 

Computer term: "Master Boot Record" Sector 0 of the hard drive. A set of instructions on the harddrive in ASM that launches the operating system somewhere else on the hard drive. MBR code is often changed in virusses to make the hard drive useless until a reformat.
Also Known As: "Boot Loader"

That virus infected my damn MBR!

MBR by Alex January 26, 2006

MBR 

masturbator.

he is such an MBR

MBR by xaxaxa March 20, 2010

mbr 

A abreviation of ngr

A.Breh suck your mum usman
B. Mbr

mbr by USI-likes-fortnite January 23, 2022

MBR 

an acronym that stands for “masturbation ritual”; it describes the act of pleasing yourself to the thought of someone else or pornographic imagery.

*thinks to self* Man, that MBR really wore me out last night!

MBR by KNICKSYN November 12, 2022

mbrsgp 

games like fortnite, call of duty blackout, apex legends, pubg, mobile knockoffs, all have the same ingame purchases in battle royal skins. Most people buy the skins like my friends and me we think we look cool but you just spend money on your moms debit card. Stands for multiplayer battle royale series of its ingame purchases.

My best friend is a mbrsgp on all games

mbrsgp by no body just a 69 fan February 21, 2019

mbro 

Short for my bro

Person 1: yo can you drop a tin
Person 2: no worries i gotchu mbro

mbro by anonymous December 9, 2020