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Nut out

//ˈnʌt aʊt// verb, slang

Verb

1
To find a solution (for something), especially in a group discussion; also, to work out the finer details (of something). Australia, New-Zealand, informal, transitive
"[A] chronic optimistic faith in pragmatic experiment to overcome deficiencies in the knowledge of these experts (rather than set up an expensive preparatory research program) was responsible for the difficulties that immediately occurred when the factory began to produce glass in July 1962. An Auckland newspaper reporter transmitted the parochial attitude of the technical management when he boasted that the finer points of glassmaking “had to be nutted out by Kiwis on the spot.”"
2
To become crazy, especially with rage. US, informal, intransitive
"There was also the Black political pimp syndrome where a few middle-class and bourgeois negroes got big off the people’s struggles, and then nutted out completely, joining forces with our enemies, as agents, messengers, sophisticated stool pigeons, professional confusers."

Etymology 1

From nut (“(slang) the head”) + out, referring to thinking or working something out in one’s head.

Etymology 2

From nut (“(slang) crazy person”) + out.

Unscramble this word: nutout