Doonesbury by Garry Trudeau for December 19, 1989
Transcript:
Marilou: I've been trying to get Mark to tell me about his new lady friend, dear...you know, the girl I saw you two with in front of Mel's... Phil: That wasn't Mark's girlfirend. She's mine. Marilou: What? Mark: Er...he's kidding! You know dad, mom - he's a kidder! Marilou: Oh, my god... Mark: Nice dad! Why didn't you just drop a piano on her? Phil: Look, I'm tired of sneaking around every hot new restaurant in town!