Top Definition
MCB
A Middle Cubicle Bandit. Someone who, in a public or workplace toilet environment with three cubicles, deliberately chooses to occupy the middle cubicle when either:

a) none of the side cubicles are occupied
b) one of the side cubicles is occupied and the other is vacant

A disgraceful and flagrant abuser of toilet etiquette who should be named and shamed.

It is common courtesy to choose the side cubicle as a first option and only ever use the middle cubicle in an emergency if the other two are occupied.

The real purpose of the middle cubicle is to provide a comfortable space between shitters.
I was just squeezing one out and that bloody MCB came in again. To make matters worse, he had a case of the shits and stunk the place out in quick time. Couldn't get out of there quickly enough.
by The Peaceful Shitter April 15, 2009
mcb
ma ji bai

m=ma=mum
j=ji=chee(some dialects)
b=bai=byee(some dialects)
ji bai=women's that part
that means your mother's "that part"

it is a word often use in malaysia
mostly in dota
A:B's really a noob
B:mcb
by Rapper1988 August 10, 2008
MCB
Master Cock Block- The one guy or girl that always appears and cock blocks you to the extreme
Earl: Hey Jim, did you get any last night?
Jim: Nah, Right when I was about to Tom came in and cock blocked me
Earl: Word? This is the 5 time this week.
Jim: I know, He's such a MCB
by Monkeyboy132 September 06, 2010
The act of taking four alcoholic drinks in a row; a shot of tequila, a shot of lemon drop, a shot of jack daniels and a jager-bomb.
Josh Zimmerman took two Mc. B's and passed out in the middle of Central
by Michael Nightingale January 29, 2008
MCB
Marisa Circle Boyz
GOMD

Marvin Mobsters

Gods of Mass Destruction

Crew on Staten Island, NY, thats gang bangs in the streets...
MCB...
Marisa Circle Boyz...
by blthrskt April 29, 2009
mcb
= McBiscut from McDonalds

this is text/internet abbreviation

see caps text in example.

lame people say "em see bee"
this is an aim conversation:

tfullLegend: i want mcb
TENDERLY ON THE ROCKS : go and get her at mcdonalds!
by Micky Max May 30, 2009

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