do (one's) nut

do (one's) nut

To become very angry. Primarily heard in UK, Australia. If these kids don't start listening to me, I'll do my nut!
See also: nut
Farlex Dictionary of Idioms.

do your nut

BRITISH, INFORMAL
If someone does their nut, they become very angry about something. I wanted to ask Lorraine out and I knew that Wendy would do her nut if she found out.
See also: nut
Collins COBUILD Idioms Dictionary, 3rd ed.

do your nut

be extremely angry or agitated. British informal
In this phrase and in off your nut below, nut means ‘head’.
See also: nut
Farlex Partner Idioms Dictionary

do your ˈnut

(British English, informal, spoken) be very angry or worried: He’ll do his nut when he sees all that mess. She’s doing her nut because she hasn’t heard from her son for weeks. She’s sure that something terrible must have happened.
Nut is an informal word for your head.
See also: nut
Farlex Partner Idioms Dictionary
See also:
  • do your nut
  • bug nut
  • be off (one's) nut
  • off (one's) nut
  • off one’s nut
  • off your nut
  • off one's head, rocker, etc.
  • bust a nut