Wacko vs Wackadoo - What's the difference?

As adjectives the difference between wacko and wackadoo

is that wacko is amusingly eccentric or irrational while wackadoo is (slang) crazy, wacky.

is that wacko is an amusingly eccentric or irrational person while wackadoo is (slang) a crazy person, a wacko.

is (british|dated) hurrah.

* whacko

(en adjective)

amusingly eccentric or irrational

(en noun)

An amusingly eccentric or irrational person.

(en interjection)

(British, dated) hurrah

* 1952 , Anthony Buckeridge, Jennings and Darbishire

*:"Wacko ! There's a whole pile of letters for me," Jennings cried excitedly, hopping from one foot to the other.

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(en adjective)

(slang) Crazy, wacky.

* 1992 , Barbara Dillon, Paul Casale, My Stepfather Shrank!

See, it was these wackadoo inventions that finally got to me. That's why I asked for the trial separation.

* 2005 , Judith Ryan Hendricks, The Baker's Apprentice

"Betty's driving me wackadoo ." "Betty?" I puzzle, stepping out the door behind her. "The wicked stepmother. Betty Crocker."

* 2006 , Jo-Ann Mapson, The Owl and Moon Cafe

Grandmothers go wackadoo over handmade cards. She'll be so happy she'll give you more money on your next birthday.

(en noun)

(slang) A crazy person, a wacko.

* 1987 , Geoffrey Wolff, Providence

Still, she felt like a wackadoo sometimes, even if she knew she was too hard on herself; she should cut herself some slack.

* 1994 , James Elliott, Cold, Cold Heart

"If you know anything about the wackadoo who cut that girl up, I want to hear it. I'll be inside," he said, and walked away.