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Wiktionary
yabba dabba doo

interj. An expression of happiness or excitement.

Wikipedia
Yabba Dabba Doo

Yabba Dabba Do is the catchphrase of Fred Flintstone. it may also refer to:

  • Yabba Dabba Doo! The Happy World of Hanna-Barbera
    • The Hanna-Barbera Hall of Fame: Yabba Dabba Doo II
    • Hanna-Barbera's 50th: A Yabba Dabba Doo Celebration
  • The King Is Gone (So Are You) - 1989 novelty song performed by George Jones
  • I Yabba-Dabba Do! - 1993 animated film based on the Flintstones