Kmet Share definition Flag An arrogant pompous jerk face, who is good at arts, slightly overweight and has never gotten anywhere with a girl. Ever. Don't be a Kmet! Kmet shut up! Kmet by MuSiCaLgEnIs June 4, 2009 0 0 Get merch Get the Kmet mug. Buy Now — $32.95 See more merch