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Meaning: crazy, insane, mad

For example:

  • Have you met Judy's sister? She's really hard to talk to, and she gets this crazy look in her eye sometimes. I think she's a bit wacko.

  • Bernie reckons anyone who really thinks the world was made in a few days about five thousand years ago must be wacko.

Quick Quiz:

We saw this wacko guy at the airport. He was running around
  1. looking for his lost child
  2. because he was late for his flight
  3. saying the devil was after him

Discuss: wacko

Slang of the Day

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