Top definition
slang that means a lot or in an excessive amount.
Jeff got mo' booze for the party last night.
by Joe Ram July 19, 2006
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2
stands for modus operandi which translates as method of operation
Can't you see why i'm so mean? if y'all leave me alone, this wouldn't be my mo
by Donovan June 12, 2003
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3
Modus operandi (often used in the abbreviated forms M.O. or simply Method) is a Latin phrase, approximately translated as "method of operating" The term is used in English to describe someone's habits or manner of working, the method of operating or functioning. It is often used in a criminal sense, to profile the methods employed by individuals during the execution of a crime, and may also be used in offender profiling,2 where it can also be used to find clues to the perpetrator's psychology.3 It largely consists of the methods used to execute the crime, prevent detection, and facilitate escape.
What is the Perp's "M-O"???
What is your "M-O"???
by HRVAT1975 July 13, 2009
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4
short for "modus operandi"...a person's way of doing things or their style.
"If y'all'd leave me alone this wouldn't be my M.O." -Eminem

Every day I gotta pimp da ho, yo, cuz that's my M.O.
by Nick D September 29, 2003
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5
M O is an abbreviation for Modus Operandi. which is Latin for Method of Operation or Mode of Operation

In criminal investigations, it refers to the criminal's methods whether murder or burglary or whatever as similar methods used in separate offences which could indicate the same person was responsible.

It doesn't have to pertain to crime. It can also be used to describe a person's 'trade mark' habits.
My girlfriend always fingers my a-spot when she gives me head. That's her M O.
by RoosterCranium September 21, 2009
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6
Abbreviation in both speech and text for "<i>modus operandi</i>" (Latin) or "mode of operation" (English). The term is used to mean either the way in which one does something, or his or her focus or goal/ambition in a certain aspect of life.

"Main Entry:
mo·dus ope·ran·di
Pronunciation:
\ˌmō-dəs-ˌä-pə-ˈran-dē, -ˌdī\
Function:
noun
Inflected Form(s):
plural mo·di operandi \ˈmō-ˌdē-, ˈmō-ˌdī-\
Etymology:
New Latin
Date:
1654

: a method of procedure ; especially : a distinct pattern or method of operation that indicates or suggests the work of a single criminal in more than one crime"

Straight from Merriam-Webster, folks. http://www.merriam-webster.com/dictionary/modus+operandi

The idiot that said, "<i>operandi</i> is not a Latin word" is incorrect and needs more thumbs down. That entry should be removed.
My M.O. is to make the author of definition #2 look like a fool. That is what I am "all about."

I educate people and correct mistakes in "wiki" slang dictionaries by editing and making my own entries that state corrections of previous ones, when aforementioned entries are stupid. That is my M.O.

My M.O. is humiliating people who think they know more than they do even though both they and I are anonymous.
by Anomalous Karma April 30, 2009
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7
Not an urban term at all, but a legal one. Short for Modus Operandi (method of operation). One's either habitual or premeditated way of doing things.
His m-o was always smash-and-grab
by Entymol August 13, 2006
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