Definitions by Gavin's Mom

Mmm K 

Okay but not really. When you can't or don't want to say, "No", "you're wrong", or, "that's what you think!".

Husband says," I thought the truck was filled with gas so I took the car and filled it, forgot you needed it today."

Wife says,"Mmm K."

Mmm K by Gavin's Mom August 16, 2013