'Beefy' definitions:

Definition of 'beefy'

From: WordNet
adjective
Muscular and heavily built; "a beefy wrestler"; "had a tall burly frame"; "clothing sizes for husky boys"; "a strapping boy of eighteen"; "`buirdly' is a Scottish term" [syn: beefy, burly, husky, strapping, buirdly]

Definition of 'Beefy'

From: GCIDE
  • Beefy \Beef"y\, a. Having much beef; of the nature of beef; resembling beef; fleshy. [1913 Webster]