Meaning of nerts in English:

nerts

Pronunciation /nəːts/

adjective

(also nertz)
informal US
  • ‘Nuts’, crazy. Now somewhat rare.

exclamation

(also nertz)
informal US
  • 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.