Doonesbury by Garry Trudeau for October 15, 1973
Zonker: Howdy do, sapphire? B.D.: What now? Zonker: Gotta present for you. I forgot to give it to you last week. It's from Mike - a little taste treat for your breakfast table! B.D.: How thoughtful. A dead trout. Zonker: 'Course you gotta clean 'im first!