The 'Tonight's Big Loser' meme originates from the truTV hidden camera show Impractical Jokers, specifically featuring cast member Sal Vulcano. The template depicts Sal standing awkwardly against a brick wall, a still taken from the show's segments where losers are announced. It gained massive popularity on platforms like Reddit and Twitter as a way to mock someone for a minor or absurd failure. By replacing the reason why Sal lost, users can turn any mundane mistake or niche struggle into a hilarious public shaming, maintaining the show's signature tone of friendly mockery and public embarrassment.