Computer acronym that means Keyboard, Video, Mouse. Typically used by people who want to sound really elite when they're just plugging in a monitor, mouse, and keyboard
IT boss: "Plug in the KVM for all the newcomputers in this room"
Kvmmies is predominantly used within thatsideofutube's YouTube comment section, where 'mommy' is the person that runs the account and the '(little) kvmmies' are the stans that watch and comment on every video; fans of the YouTuber.