good buddy(redirected from one's good buddy)
1. One's close friend. Yeah, I spend a lot of time with Pat, but I'm not dating him—he's just my good buddy.
2. A term of address on CB radio. A: "I'm going to pull over up ahead." B: "10-4, good buddy."
n. a friend; a partner. (Citizens band radio. Also a term of address.) John’s my good buddy.