Place it right after the bold promise in your edit, then cut straight to the failed attempt and finish with a Vine Boom for the punchline, or swap in a SpongeBob Fail when the promise collapses in a sillier way.
About this sound
This two-second clip catches Indonesian streamer Windah Basudara delivering the line 'gua jilet guys, sumpah guys' in a loud, dead-serious voice. The over-the-top promise makes it funny and instantly quotable, like a friend doubling down on something nobody quite believes. It comes from his own stream, where his emphatic delivery turned a throwaway swear into a meme.