A sound made by combining a mumble and the last half of "OK". Represents a distracted affirmation
"Could you do this for me?"
"Mmk..."
by Randy August 1, 2004
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just another way to say "ok" . like thinking the thinking sound mmmmm + ok forms "mmk"

can be used in a positive or negative sense. by anybody.
Joe: I'll brb.
Bob: mmk.
or
Bob: I made out with your sister while you were away.
Joe: mmk.
by Sara!Jane October 20, 2005
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when someone says something u know is a lie
her: do u like him
them: NO! of course not
her: mmk suure
by the smart lynx December 3, 2019
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When a girl text you. "Mmmk" "k" or "K." you really fucked up like you owe this girl flowers and chocolate. And you need to kiss her feet. You made her super upset
Boyfriend: tbh your friend has a nicer add then you do, just saying
Girlfriend: mmk
by Mgm06mad August 9, 2018
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when your annoyed with you friend or just to lazy to respond
omg i love cats

“mmk”
by thebitchyeet December 16, 2018
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Mmk, normally used by your girlfriend when she’s pissed off
Babe I’m sorry!”
Mmk.”
by Demogorgen July 26, 2019
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