Place it at the end of a setup showing the mistake or betrayal, then cut straight to the consequence. Pair it with the It Was At This Moment He Knew clip just before it for the realisation, and follow it with the Fail Sound Meme clip for the fallout.
Über diesen Sound
This is a short, roughly three-second cartoon voice line from Looney Tunes, delivered as a drawn-out, mock-menacing warning that someone will be sorry. It lands as playful and threatening at once, with the exaggerated tone of a classic cartoon villain making a promise of payback, perfect for a teasing threat rather than a serious one.