numbnuts

listen to the pronunciation of numbnuts
Английский Язык - Турецкий язык
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Английский Язык - Английский Язык
A slow-witted, unresponsive, or inept person (usually male)

Tell numbnuts over there to wake up and pay attention to his work.

A recruit who is unintelligent or difficult to train

The drill instructor must have called him numbnuts fifty times today.

An idiot. (Derogatory but jocular)