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(Acronym) "Big Man Online." A person who routinely boasts about their page traffic, brags about their number of online friends, attempts to win online popularity contests, and is overly concerned with any other worthless, false indication of their acceptance on the Internet. The ultimate goal of every BMO is to win a Webby Award, the definitive trophy proudly declaring to the world that your 15 minutes of fame ended half an hour ago. The average BMO attempts to add every living creature on the planet to their IM buddy list, because everybody knows the quantity of people you message with "LOL" defines your value as a human being.
Paulo Scamuffo from game amazon.
by Sega Slayer April 14, 2005
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2
Any middle eastern lady that walks around covered head to toe in black due to their cultural restrictions; aka Black Moving Object
Whoa, did you see that BMO just now? She had really sexy eyes!
by Macanip May 02, 2010
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3
1. (Adj.) Something smelly or repulsive

2. (V.) To steal or plagiarize

3. (N.) Feces

4. (N.) Thief
1. Aww, it is so B-mo in here.

2. That website is B-mo as fuck.

3. I was fucking a girl and I got B-mo all over my dick.

4. Catch that B-mo!
by BebopMo June 29, 2009
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4
Black Moving Object.
Term that soldiers in the middle east have coined for Muslim women that wear a black Burqa.
(Watching the news) Look, a BMO!
by Lennyalisa November 20, 2006
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5
BMO: Bus Make Out

This is when you and your Girlfriend or Boyfriend go into the back of the bus and make out until your stop.
"Dude me and Ciera just had the best BMO Session."
"Nice! Me and Jada had a sweet DFMO the other night."
by CrazyBrah February 07, 2013
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6
definition from Somethingawful.com

(Acronym) "Big Man Online." A person who routinely boasts about their page traffic, brags about their number of online friends, attempts to win online popularity contests, and is overly concerned with any other worthless, false indication of their acceptance on the Internet. The ultimate goal of every BMO is to win a Webby Award, the definitive trophy proudly declaring to the world that your 15 minutes of fame ended half an hour ago. The average BMO attempts to add every living creature on the planet to their IM buddy list, because everybody knows the quantity of people you message with "LOL" defines your value as a human being.
Bob, no cares about your website. You are a BMO.
by transferable April 14, 2005
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7
BMO is an acronym for (B)laze (M)e (O)ut. Used by potheads when they want others to smoke them out with pot. duh
Burn-out fuck: "Ay man, BMO"
Burn-out fuck #2 : "Fosho"
by hanneman_burr January 31, 2015
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