I had my fairy do the hot head trick, it worked so well that the tricked subject - which was right in front of the fairy, as the game requires - blew a powerful blast on her and she caught on fire! Since it was a lot without a shower, pool or a brave/daredevil sim around, she burned to death.
I've realized that the same animation, a sim spelling fire trough its mouth, occasionally happens when a recipe with Ghost Chili is eaten. Can this put a sim on the opposite side of the table on fire? Can sims keep Ghost Chili in the inventory and use it as a mass-destruction-eatable-spicy-napalm-fire-blasting-weapon against their ex-boyfriends/girlfriends?