Consider these lines from (I think) the episode where Springfield added an area code, which divided the town's population:
Kent Brockman: Scientists say they're also less attractive physically, and while we speak in a well-educated manner they tend to use low-brow expressions like "oh yeah?" and "come here a minute!"
Homer: Oh yeah? They think they're better than us, huh? Bart, come here a minute!
Bart: You come here a minute!
Homer: Oh yeah?
As an avid JB fan, I've noticed, especially in the 1940s-1950s episodes that Jack says "Come here a minute" a LOT. I believe he also says "Oh yeah?" pretty often as well.
Is it possible that Kent Brockman's comment is based on this old 1940s radio show, or am I off my beam again?
allen