Top Definition
A person who is a step beyond crazy.
Watch out for the one with the funny look in her eye, I hear she's a total wackadoo.
by VAKI5 August 18, 2003
A person that is crazy beyond belief and doesn't seem to notice.
Sabrina is a wackadoo.
by Robert February 15, 2005
Someone that is crazy or nuts.
Billy's a Wack a doo for painting his hair orange and blue.
by PayDaddyDaPimp May 13, 2005
A person that loves to have fun all the time and tends to be a little goofy.
"Honey... why do you always have to be such a wackadoo?"

"You are such a wackadoo and that's why I love you so much!"
by PorscheBoxster2001 June 06, 2005
This is a phrase used instead of WOW! It is used a lot in the film 'Win a date with Tad Hamilton!'
You walk into a very posh hotel suite and say "Wack a Doo!"
by surfergirl April 26, 2004
General ado or excitement. Can be used as an exclamation to convey general high spirits, or sarcastically in response to an overzealous statement.
"Wackadoo troops! What a ripper party."

Chick: "And then she said that Harry has a big nose!"
Dude: "Well wackadoo. He does have a big schnoz."
by Heath Raftery August 10, 2007
An Italian American word that doesn't really have any meaning. Can also be combined with insults to make all new insults. Can only be said with an Italian American accent.
"Hey, Joey, what in the wackadoo is goin' on?"

"That wacka-doodly-dickhead, Angelo stole my money!"

"Well, wackafuckin'doo, what a wacka-doodly-dip shit!"
by MrBootylove August 04, 2008
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