Myoote is a misspelling of the word “Mute” most commonly misspelled by little kids. Myoote may mean that you’re not talkative enough or you’re antisocial
Person1: “Hey man, you misspelled mute”
Person2: “What?”
Person1: “Yeah, it says myoote not mute! Does that mean you’re not very talkative?”
Person2: “…”