Definition of nerts in US English:

nerts

(also nertz, nurts, nurtz)

adjective

US
informal
  • ‘Nuts’, crazy. Now somewhat rare.

exclamation

US
informal
  • Expressing annoyance, exasperation, incredulity, etc.

Origin

1920s; earliest use found in Joseph Patrick McEvoy (1895–1958). Representing a humorous pronunciation of the plural of nut, perhaps partly as euphemistic alteration.

Pronunciation

nerts

/nəːts/