Douglas Harper's Etymology Dictionary
1932, originally American English college slang, colloquial or euphemistic pronunciation of nuts as a slang retort of defiance or dismissal (1931).
a. 1 (context informal slang English) nuts. 2 (context informal slang English) nonsense.
Nertz is a fast-paced, real-time, multiplayer card game involving multiple decks of playing cards. It is often described as a combination of the card games Speed and Solitaire.
Nertz is known by a number of different names: Hell, Nerts, Pounce, Peanuts, Racing Demon and Squinch The name "Nertz" appears to be the most recognized.