Mother: What you looking at, boy?
Son: I'm watching out for the Karma train, Ma.
Mother: Well, I swan.
Father: There ain't no Karma train, boy.
Son: How else am I gettin' to California, Pa?
Father: You ain't.
Son: But I want to go surfin', and lookin' at
girls in hot pants and high heels!
Father: All them girls say the same thing, boy.
Son: What do they say?
Father: They say, "Yes I do. But not with you."
Son: Dang.
Mother: Well, I swan.
That is really, really good. I think it will stay with me forever.
Did you think of it yourself? I can't find its source with Google.
Very good. Top-notch, like Kenny Rogers' The Gambler.