Put it at the end of a clip, right after the surprising result is shown, so it closes the edit as the boast. Follow it with the Bruh Sound Effect for a quick reaction from friends, or cut to Emotional Damage Meme Sound when the brag immediately backfires.
About this sound
This spoken clip lasts under three seconds and packs one boastful line about a left stroke suddenly going viral, spoken flatly and confidently with no music behind it. It gets a laugh from how narrow and random the boast is, making an unexpected win feel like a deliberate brag. The wording is short enough to quote straight away and drop as a punchline.