The Collaborative International Dictionary of English v.0.48:
baldy \baldy\ n. a person who has a bald head; -- a deprecatory term. Syn: baldhead, baldpate. [WordNet 1.5 +PJC]WordNet (r) 3.0 (2006):
baldy n 1: a person whose head is bald [syn: baldhead, baldpate, baldy]