graculus

The word 'nutter' has a much more limited use in the English language than many of you believe it has. It is not possible for someone to be accurately described as 'nutters', or for someone to say of someone else, "He's nutters" without making a large percentage of your *English* readers go "WTF????".

Please note that 'nutter' is a noun. It is a singular noun. "He is a nutter." There are many synonyms for 'crazy' or 'insane' in the English language, many of which may cause much less wincing. Please pick one.

'Nutter' can also be used as a plural noun, with some minor modifications. "They're nutters." I believe that this is where the confusion lies. It's short for "They are [a group of] nutters", not "[Each of them is 'nutters' and therefore as a group] they are nutters."

No other uses are accurate. That is all.