threehead

When the hairline of a person is so low that their forehead becomes reclassified a "threehead". This also suggests that their forehead is only about three finger widths high.

"Boy's hairline is so low, he got a threehead."

Three Head

When the hairline of a person is so low that their forehead becomes reclassified a "three head". This also suggests that their forehead is only about three finger widths high.

"His hairline is so low, boy got a three head."