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Wacky vs Wacko - What's the difference?

wacky | wacko |

As adjectives the difference between wacky and wacko

is that wacky is of a person or their behaviour, zany while wacko is amusingly eccentric or irrational.

As nouns the difference between wacky and wacko

is that wacky is while wacko is an amusingly eccentric or irrational person.

As an interjection wacko is

(british|dated) hurrah.

wacky

English

Etymology 1

Adjective

(er)
  • Of a person or their behaviour, zany.
  • * {{quote-news
  • , year=2012 , date=May 15 , author=Scott Tobias , title=Film: Reviews: The Dictator , work=The Onion AV Club citation , page= , passage=Though the idea of placing wacky made-up characters in a real-life context was carried over from Da Ali G Show—wherein Buzz Aldrin was once asked if he was upset that Michael Jackson got all the credit for inventing the moonwalk—Sacha Baron Cohen’s Borat felt like something new, an attempt to square an improvised, guerrilla style of underground comedy with reality-TV stunt shows like Jackass or Fear Factor. }}
    Synonyms
    * eccentric, zany
    Derived terms
    * wack * wacky baccy * wackyparse, wackyparsing

    Etymology 2

    Noun

  • wacko

    English

    Alternative forms

    * whacko

    Adjective

    (en adjective)
  • amusingly eccentric or irrational
  • Noun

    (en noun)
  • An amusingly eccentric or irrational person.
  • Interjection

    (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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