a familiar form of address for a boy or man
Let's see what Santa brought, eh big guy?
Red-faced now, the big guy pulled out a gun and stuck it in my stomach.
He looked at himself in the mirror, and wondered why he was afraid: “I was a big guy.”
Aleksandar Hemon is a big guy (think soccer) with a strong voice.
Man; fellow •Used in direct address, usually with a flattering or genial purpose: So, big guy, how's it going?/ How's it look up there, big guy? (1980+)