thin on top

Becoming bald, as in I notice that he's getting a little thin on top. The top in this euphemism refers to the top of the head. [Second half of 1800s]

Words nearby thin on top

thin, thin as a rail, thin client, thin edge of the wedge, thin film, thin on top, thin register, thin section, thin-film, thin-layer chromatography, thin-skinned