Answer: yabba

AnswerCrossword Clue
YABBAStart of a Flintstone cheer
yabbaa methamphetamine, a stimulant drug
YABBA'-- dabba doo!'
YABBAStart of a prehistoric yell?
YABBAStart of a cartoon cry
YABBABeginning of a Flintstones cry
YABBAStart of a Fred Flintstone cry
YABBA"... dabba doo!"
YABBAStart of Fred Flintstone's shout
YABBAFlintstone yell starter
YABBAStart of a '60s TV toon yell
YABBAStart of Fred Flintstone's cry
YABBAStart of a Flintstone cry
YABBAWord in a Flintstone yell
YABBAStone Age toon word
YABBAStart of a Stone Age yell
YABBA..... dabba do
YABBAStart of Fred's yell