Place it near the end of a funny edit, just after the visual punch, then follow it with Bruh for a deadpan reaction or Baby Laughing Meme when the joke keeps building. Keep it as the payoff, not the opening, so the next clip carries the laugh forward.
Über diesen Sound
This is a very brief Finnish meme clip built around the words hauska ku, delivered as a quick spoken burst that lasts less than a second. It gives a light, cheeky lift, like catching a joke at exactly the right beat, and it works because it says so little while still sounding amused.