Calvin and Hobbes by Bill Watterson for March 15, 1991
Transcript:
Calvin: Today for Show and Tell I brought one of my own patent pending inventions! I have in my hand an invisible cretinizer! One shot renders the victim a babbling simp, a dolt, an utter moron! Ronald: Oh sure, Calvin! Give us a break! Calvin: As Ronald proves, it's quite effective at long range. Ronald: Hey!
I think my response would have been:‘when did you test it on yourself, and why?’