MK is most commonly used casually in text meaning mkay a phonetic spelling of Mkay or okay. It is an informal and fast method of accepting or concurring to something.
In texting, MK is a casual, phonetic abbreviation for "mmm, okay" or "mkay." It’s used to show simple agreement or acknowledgment, often with a slight tone of indifference, hesitation, or sarcasm.
The most prevalent meanings of MK in SMS slang are "mm, okay" or "mkay." It is a colloquial method of acknowledging or agreeing that frequently conveys a tone of modest hesitancy, indifference, or hesitation.