nerts
/nəːts/(also nertz, nurts, nurtz) informal (originally and chiefly US )
adjective
‘Nuts’, crazy. Now somewhat rare.
exclamation
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.