Pavlov's heartburn Share definition Flag Heartburn caused by the mere sight of food, or the thought of eating. "dude look at the size of the pizza on that poster." "Ahhh!" "What?" "Pavlov's heartburn" Pavlov's heartburn by Trynottalking March 7, 2022 0 0 Get merch Get the Pavlov's heartburn mug. Buy Now — $32.95 See more merch