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mental break down ; when someone’s been crying
I just had a mbd because I’m dog died
by keylalc December 04, 2018
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Feb 27 Word of the Day
From STEM, an abbreviation short for "Science, Technology, Engineering and Mathematics", a STEMlord is a pejorative term for a particular kind of person who has studied in these areas at university or works in these fields who holds a pretentious, condescending attitude to anyone who has studied in any other fields, particularly the Arts and Humanities. They typically believe themselves to be more "intelligent" and "rational", while generally remaining incredibly ignorant outside of their areas of expertise and having the charisma of a rotting pig's backside.
"Ugh, I wish Reddit wasn't full of STEMlords the entire goddamn time."
by nopeidontneedanameok October 15, 2015
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Short for "mysterious black dude", the character who briefly appears in the trailer for Metroid Other M. Dubbed this title by the community of the gamefaqs forums, he is known for his famous line "Remember me?" and has been the subject of several pictures and videos.
Guy 1: Who's that character in the trailer?
Guy 2: It's the MBD!
by blighboy June 16, 2009
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MBD stands for "my bad, dog" usually used apologetically or sarcastically following some sort of conflict or confrontation about some incident that recently occurred. i.e. An outburst from another party.
Tim: You just slammed the door in my face!
Jon: Oh, I didn't see you! MBD!
Tim: No worries, man.
by KylieKarnage July 01, 2011
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Short for "My bad dude(s)"
Gio: C'mon Jackie, that's just a skip-it!
Jackie: MBD...
by J.Lee May 22, 2005
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An mbd is when you let all your emotions build up to the point where they all burst out at once. You cry & you scream and everything bad in your life seems to be piled up into one. There's almost no way to calm down at the moment , but you'll soon realize that was a sense of relief. Mbd's could be prevented by talking to someone YOU TRUST about your problems regularly, rather than keeping them to yourself. Mbd's can last 20 minutes or days. If you're having mbd's regularly for about a month or more, its depression. Stay positive!
via giphy
by beautiful peach June 15, 2017
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A medieval battle group based out of Council Bluffs Iowa.

MBD - Medieval Battle Day

This organazation has been going on for 5 years and dose not do any roleplaying or dress up or historically acturate battles

Everyone hits eachother with wooden weapons based on a simple set of death rules.

Various events are held, The most important is the Winter Tournament,

Other minor tournaments include the October tournament and the Spring and Summer tournament.

The organization is also 420 friendly.
Shit dude its Thursday and 4 o'clock we gotta get to MBD
by Zanzabaro May 19, 2011
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