What does MO mean?A slang initialism for "Modus Operandi", which is a way of doing something, especially if it's well-established.
Other definitions of MO:
- Can stand for Modus Operandi, or M.O. Translating to mode, or manner of operating, it is often used in policework while discussing the methods employed by criminals.
- May stand for "Move On", telling someone to either physically move or to change off the current topic.
- Short for "more", like in the expression "mo' money, mo' problems".
- May be short for "homo", though this use is typically used as a tongue-in-cheek term of endearment between gay friends.
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How to use the term
This guys M.O. is always the same: come in through the front of the store, guns blazing, screaming at the tellers to empty the register.
Does the perp have an established MO? Maybe the two cases are closer than we know.
Just MO, okay? We don't need to talk it to death.
Yo. You got any mo' of that soup? So tasty.
So, 'mo, did you get back on the dating train or what?
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