Doonesbury by Garry Trudeau for December 24, 1971
Transcript:
Phil: Mark! Will ya hurry up! We'll be late for your grandmother's dinner! Mark: Yeah, yeah! Phil: Will you listen to that! Sometimes I think that boy only comes home just to bait me! Marilou: Oh, c'mon dear! What makes you say that? Phil: Oh, I dunno...call it a hunch