‘mb’ is a Chinese abbreviation which stands for ‘money boy
你是mb吗?
Are you a MB?
by Haohan December 30, 2019
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ted: Oh man, that girl is so hot.
fred: She's hot but psycho. She's definitely not MB material.
by locquackcious June 24, 2009
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mb its not only Mega Byte.
It's also used as Mail Back.
person1: afk
person2: why now? -.- i must go now <.<
when u gotta re mb plx.

bad example but hmm...
by Killer2020 May 20, 2007
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MBS (Myles Bowel Syndrome) is a condition effecting the human digestive system, also known as, "I would rather have a shit than do any work today"syndrome. Common symptoms include the conscience requirement to take a shit at an hourly rate, and a near forced shitting commitment at the sight of a bathroom or portable toilet. It should be noted that a person suffering from the condition rarely has to take a shit on a scheduled lunch or bathroom break.
Todd: Dude that one hour lunch break was dope! To bad we got to get back to work...actually I'll let you get started where we left off. I've got a touch of the MBS today.
by germantopdog August 24, 2018
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MB: (Medium Boto)- Someone who evolved from “SB” (Small Boto) to “MB” . A “MB” has more than 1 chic and wants to lose their v-card to any girl, but no one wants to fck him .
MB: "I like lose my v-card before I leave ."
C1: "Why?"
MB: "Cause I like practice before I come there."
C1: "What about c2, thas yo chic."
MB: "Naw, she’s just another girl, I still finna talk to her tho for practice ."
by ") . July 7, 2010
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