nut out

verb2

1. •
   (Australia, slang) To find a solution (for something), especially in a group discussion; also, to work out the finer details (of something).

   • On the Monday afternoon, at about four o'clock, Mervyn said, “Well, we’re doing a lot of sitting around gas, gas, gas, but it seems to me we’ve got everything there is to nut out, nutted out.[…]” — 1974
2. •
   (US, slang) To become crazy, especially with rage.