Place it at the knockout cut itself in a fail montage, then follow the next attempt with the Roblox Oof Sound Button for a back-to-back death gag that keeps the sequence moving without extra captions or reaction shots.
About this sound
This clip is a short vocal duh effect, about two seconds long, used as the newer death sound when a Roblox avatar is knocked out. It lands flat and a little goofy rather than dramatic, turning a fail into a quick laugh. The deadpan drop makes even a small mistake feel instantly funny and shareable.