bucko(redirected from a bucko)
Buddy; friend. Despite the positive connotation of that definition, this word is often used to convey the speaker's irritation with someone. Hey bucko, how are you? And why would I listen to you, bucko?
n. friend; pal. (Also a term of address. Can also be used with a sneer to convey contempt.) Hey, bucko, come here a minute.