Doonesbury by Garry Trudeau for March 11, 1974
Transcript:
Roland: Say, Zonker, I wonder if I could ask you some more questions about the peyote you mentioned... Zonker: Not now, Roland! Can't you see I'm in the middle of a ritualistic aqua-Satanic incantation! Hear me, prince of darkness! Roland: Okay, catch you later... Zonker: Hee, hee!
A personal favorite.