Doonesbury by Garry Trudeau for April 22, 1971
Transcript:
Mike: Bernie, today in my encounter group we discussed Freudian slips...it's an interesting phenomenon. Very often Freudian slips reveal important things about one's childhood. Slips can be quite revealing, don't you think? Bernie: I hate my father and love my mother...Ah, I mean, yes, I agree.
Freudian slip: where you say one thing and mean your mother.