When a man or woman splits their hair down the center of their heads, creating an unattractive hair triangle on their foreheads between their eyebrows with their bangs. This is further made unappealing if the bangs are long enough to tuck behind each ear, slicking down any chance of loose hairs softening the Waldo.
Muffi: "Sweetie, I love that you have long hair, but can't you comb it back or to the side?"
Will: "Nuh. Don't tell me what to do."
Muffi: "At least don't tuck it behind your ears, the Waldo makes you look awful."
Will: "It looks fine." *tuck tuck*
Muffi: "Where's the freaking scissors?"