I’ll go first. Mine is the instant knockout drug. Like Dexter’s intramuscular injection that causes someone to immediately lose consciousness. Or in the movie Split where there’s the aerosol spray in your face that makes you instantly unconscious. Or pretty much any time someone uses chloroform.
I can tell you’ve never been to Baltimore in August… You see a junkie slowly shuffling down the street wearing sweats in 100° weather… Zombies make a bit more sense.