mb

An expression when you'are a shitty player in the KVLT game : Starcraft.

MB = my bad

Player : What kind of jerk are u? What are u doing ?
Noob : mb

by Pornocio September 28, 2006

MB

MB can mean Megabyte or Maybe, depending on how much leet the person you are talking to speaks. Hell, they might not even know what a megabyte is.

1. I will hack your 534533 mb!
2. I will hack your 534533 mb, mb!

by WereDogfish December 13, 2004

mb

major boner!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

can be used from looking at a guy/ girl to one's arousal

after looking at her, i had a mb!

by mikerules111 February 26, 2007

MB

1. The Midget Bitch.
2. The Fairy that glues your balls and dick together and then glues your balls to your skin so when you jump up and down there is no sound effect.

MB is a little bitch

by JRFan July 02, 2007

mb

Masturbate or Masturbation

Also can be said, "MBing"

MB is the not so secretive act of:
a. inserting a hairbrush, remote, or dildo into the pussy (ass)
b. using a toothbrush on yr clit

Kelly MBed with her stepfather's toothbrush.
Liz MBed in a Methodist Church once!!

by NatureLover111 October 18, 2006

MB

message board, aka forums.

mb <-- fu.chewedkandi.net is an "mb"

by Jenn August 17, 2004

mb

mad bastard

wtf are you doing mb

by bitchknows August 19, 2015