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1.
One who is driven to attain a seemingly foolish or impossible goal.
Bob wants to punch Superman in the face? What is he? Some kind of Waka-Doo?
by Daniel Jackson August 28, 2005
 
2.
1. a versatile exclamation like WOW
2. an interjection usable at almost any time
3. a crazy or weird person
"WAKADOO"
-Dave
by mongo April 07, 2003
 
3.
a crazy persons' response to something upsetting, typically with swear words and rage a fury that is uncontrollably funny to everyone else.
I can only imagine her wakadoo response when I tell her who is moving in with us.
by Late night talks are the best December 14, 2009