The line comes from a 1996 episode of Cartoon Network's Dexter's Laboratory, where Dexter learns French overnight from a sleep-teaching record and can only say 'omelette du fromage.' The scene became a quotable favorite as the show aired through the late nineties, then found a second life when short meme clips and soundboards revived classic cartoon moments in the 2010s. It endures because the confident mispronunciation is instantly recognizable and works as a random non-sequitur in almost any edit, keeping Dexter's proud delivery in circulation decades later.