Definition of "good boy" in English

Noun

1. An obedient male dog, child, or someone who behaves like one, even when deemed inappropriate.

   • Oh you're such a good boy, not reporting the crime because you didn't want to hurt anyone.

2. A demeaning term of address to a male.

Interjection

1. Well done, to a male.

2. Said as praise to an obedient male dog or other male domesticated animal; see also who's a good boy.

   • Fetch! Fetch! — (dog fetches stick) — Good boy!

3. Used to demean someone.