bullnecked

from WordNet (r) 3.0 (2006)

bullnecked
    adj 1: having a thick short powerful neck

from The Collaborative International Dictionary of English v.0.48

bull-necked \bull"-necked`\, a.
   Having a short, thick and muscular neck like that of a bull.
   --Sir W. Scott. [Narrower terms: {mesomorphic}]
   [1913 Webster + WordNet 1.5]