
Numbskull
Informal Insult
Used casually among friends or in humor, but can be rude if not careful.

After spilling his drink, Mike smiled and said, 'I'm such a numbskull sometimes!'
Mild Derogatory
Less harsh than other insults, but still negative tone about someone's intellect.

Jenny called herself a numbskull for forgetting her keys again.
Action Oriented
Often used to criticize a specific unwise action rather than general intelligence.

He's not always a numbskull, just when he rushes decisions.
Compare with
BlockheadDoltDopeFoolIdiotImbecileMoronSimpleton
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