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 27, 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 August 1, 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 17, 2006

MB

message board, aka forums.

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

by Jenn August 17, 2004

mb

‘mb’ is a Chinese abbreviation which stands for ‘money boy’

你是mb吗？
Are you a MB?

by Haohan December 29, 2018

mb

mad bastard

wtf are you doing mb

by bitchknows September 28, 2015

MB

MB stands for someone who likes to eat alot.
the term comes from "munch bunch" - a yoghurt food product.

they usually have a weird big sized head too.

"MB's eating once again"

by KawaiiKid June 24, 2009