MJB 

MJB = Male Jailbait, a young male under the age of consent to is deemed attractive, can be used by both gay men and straight women.

Example one;
Person1: Vaqxine likes his guys young.
person2: You mean like MJB young?

Example two;
Person1: Lauren likes her guys young.
Person2: You mean like MJB young?

MJB by Vorfin August 23, 2009

MJB 

Mary J. Blige

*the Queen of Hip-Hop/Soul

1. When Darrell asked me what music I'm into, I told him Mariah, Aaliyah, DMX, Wutang, and MJB

MJB by Jer April 21, 2006

MJB 

adjective
Referring to a body part that is lopsided or uneven.
As in how Mary Jo Buttafuoco looked after Amy Fisher got off a couple rounds on the front porch.

"You know those boobs are real! Look how MJB the right one is."

MJB by Dirty Lulu & Jax Starr! November 6, 2007

mjb 

Afrikaans abbreviation for "mis jou baie" meaning "miss you a lot".

Ek mjb nadat ek jou so lanklaas gesien het.

mjb by WeetNie July 28, 2011

mjbm 

(acro.) "might just be me"
Used to describe uncertainty if others are in agreement to your following comment.

mjbm, full-rimmed glasses are in.

________ is overrated, mjbm.

mjbm by PublicAnemone1 January 17, 2021

MJBHA 

A very white “Jewish” school in Rockville, Maryland where the only requirements to be popular is juuling and smoking lots of weed.

Sarah (Goes to MJBHA): Why is Shmuli so cool anyway? he’s an awkward creep and doesn’t get any girls
Miriam: cuz he smokes every day and posts it on Snapchat
Sarah: oh right I forgot

MJBHA by everyfuckingusernameistaken August 16, 2019

MJBHA 

A Jewish school in Rockville, MD known for its kick ass mentality and sexy chicks.

Hey, did you see that Jew? He must be from MJBHA because he came home with a sexy chick right after he did a triple backflip!

MJBHA by schoolkid69 November 22, 2011