Yabba Dabba Doo is the signature catchphrase of Fred Flintstone from the Hanna-Barbera animated series The Flintstones, which premiered in 1960. Shouted by voice actor Alan Reed when Fred was excited or celebrating, it became one of television's most quoted cartoon lines. The phrase lived on through reruns, commercials and pop culture references, and later became a staple of meme soundboards. Extended versions like this one exaggerate the final syllable for comic effect, making it a go-to audio punchline for over-the-top victories.