Doonesbury by Garry Trudeau for May 20, 1976
Transcript:
Man: Look, man, I'm not putting Ginny down, understand, but don't you think you can tell where someone's at by the company she keeps? Clyde: Hey, man, jes' because she don't hang out at Burger King all day don't mean she's not hip to what's goin' down! Besides, man, if Ginny weren't real people, what would she be doin' goin' out with me?! Man: You're not afraid to ask the tough questions, are you, Clyde?! Clyde: Hell, no! ... What do you mean?