Language: en
Meaning: (chieflyBritish,datedinUS,idiomatic)Insane,crazy.1909,P. G. Wodehouse, chapter 17, inMike: A Public School Story:Old Smith was awfullybuckedbecause he'd taken fourwickets. I should think he'd gooff his nutif he took eight ever.1914,Zane Grey, chapter 13, inThe Rustlers of Pecos County:"[I]f I was to spring this news in Mr. Wright's hearin', why, such a sensitive, high-tempered gentleman as he would goplumboff his nut."1918,Rex Ellingwood Beach, chapter 11, inThe Winds of Chance:"Look at them rapids ahead of us! Why, the guy that laid out this river wasoff his nut!"
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