Place this countdown at the very start of the clip, immediately before the main action, then follow the go with a cheer when the winner is clear. For a game-show twist, add a buzzer after a wrong move later in the edit.
About this sound
This is a short spoken countdown that runs through three, two, one, go in a playful, exaggerated meme style, lasting just under three seconds. The rushed delivery and cartoonish energy make it feel silly and hyped, like a joke starting gun for whatever comes next. It works best as a light, funny cue rather than a serious countdown.