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.
“you biiig fuckin idiot. You’re such a dummy, you need this flash back from 5 minutes ago because you’re too stupid to connect the moment otherwise”