The Collaborative International Dictionary of English v.0.48:
Hunk \Hunk\, n. [Cf. Hunch.] 1. A large lump or piece; a hunch; as, a hunk of bread. [Colloq.] 2. a sexually attractive, well-built man. [PJC]WordNet (r) 3.0 (2006):
hunk n 1: a well-built sexually attractive man 2: a large piece of something without definite shape; "a hunk of bread"; "a lump of coal" [syn: hunk, lump]