Yabba Dabba Doo became famous as Fred Flintstone's catchphrase in The Flintstones, the Hanna-Barbera cartoon that premiered in 1960 with Alan Reed voicing Fred. The shout was his joyful signal for good news, quitting time, and rushing into action. Decades later the line remained instantly recognisable through reruns, films, and merchandise. Online, creators remixed the vocal into short musical clips for soundboards and meme videos, keeping the original cartoon cheer but giving it a faster, loopable rhythm suited to reaction edits and nostalgic comedy posts.