get some of this Pure Cap Hot Sauce extract - 500,000 Scoville Units
put 5-10 drops in their soda
enjoy
FUCK THAT SHIT. My roomates cousin owns a sushi place and he dropped 5 drops into my spicy tuna hand roll. FUCK THAT SHIT. Bastard. Got me good.
Then gave me a 70 dollar bottle of unfiltered sake. It was worth it at that point.