big dog
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
A term of address to a male friend.
Register: slang
Where it’s used:
Used
American English
Examples
Hey, what's up, big dog?
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
An important or powerful person.
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “big dog” mean?
A term of address to a male friend.
Is “big dog” formal or informal?
big dog is generally slang.