The line comes from Wedding Crashers, the 2005 comedy film about two friends who sneak into weddings to meet women, starring Owen Wilson and Vince Vaughn. The short quote was lifted from the film and shared on soundboards as a standalone reaction clip, where its brief length and out of context phrasing made it easy to reuse. It has stayed in circulation because viewers who know the film recognise it instantly, while others still read it as a random, funny first time confession.