1 definition by SpudFace69

A "Numpty" is an individual who lacks common sense and is often seen doing idiotic acts which usually results in embarrassing themselves. A "Numpty" also lacks the capability to lie as they do not have the sufficient knowledge to conjure up a lie in the first place
John is such a numpty he couldn't even lie to get himself out of trouble.

Did you see that girl Linda? She bought dog food for a cat. What a fucking numpty!
by SpudFace69 May 7, 2017
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