Wiktionary
n. (double negative English)
Usage examples of "double negatives".
Their fathers are men with white hair and deep voices who never use double negatives, and their mothers the ladies with the kindly smiles and the wonderful manners who say things like, I do believe, Mary, that we sold thirty-five cakes at the Bake Sale.
Fido interprets the syntax of the Goulston Street graffito as being characteristic of the cockney tendency to use double negatives.
The polished speech he had acquired in the Marine Corps vanished and he reverted to the double negatives of his childhood.
But the Spanish _No pido nunca a nadie_ sounds better because the reiterated double negatives don't cancel each other out as they do in English.
Ths Dean waded through the morass of double negatives towards some sort of assertion.