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1.
Acronym standing for:

Don't Make Me Kill You.

This is commonly used by individuals who have need of the expression so often that the entire phrase becomes burdensome to speak.
Husband: "Bread Pudding - it's like sex, except I'm having it!"

Wife: "Excuse me?!?! DMMKY!"
by Kevin & Ian July 03, 2008

Words related to DMMKY

don't kill make me you