What is Yabadabadoo?
1.
To leave work early, disregarding the status of any project that is currently needing attention. The employee's escape is similar to Fred sliding down the dinosaur's tail in the opening credits of The Flintstones.
"It's 11:59AM on Friday, and Bob already yabadabadooed, in spite of the entire mainframe being down. How 'bout that Bob."
2.
n. same meaning as yay! but with more uumph.
I got into harvard, yabadabadoo!
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3.
A term said frequently by many middle-aged African-American Biology teachers nationwide.
Student: I forgot to do my homework last night, i'm sorry.
Teacher: Yabadabadoo! Thats unfortunate!
Student: Can I still get some credit?
Teacher: Jesus! No!
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4.
The sound that i make when i see yo mama. and when i close the zipper after taking a piss and it zips my tallywhacker.
yur mom walks by and i say yabadabadoo.
i zip my zipper into my schlong and say yabadabadoo