Bully as an adjective means "good". It's mostly archaic at this point, but you do still hear people use the idiom "bully for you" occasionally. Theodore Roose

Bully as an adjective means "good". It's mostly archaic at this point, but you do still hear people use the idiom "bully for you" occasionally. Theodore Roosevelt liked to use the adjective, and he is where the term "bully pulpit" came from.