quatsch
Nonsense, rubbish, foolish speech or writing.
uncommon, uncountable
“My dear,” protested Tante Else, forced at last to notice these comments. “I say it is quatsch,” said Onkel Heinrich with a volcanic vehemence startling in one so trim.
“Quatsch,” said Onkel Heinrich.
Where it comes from
From German Quatsch. Attested in English from the beginning of the 20th century.
Adapted from the Wiktionary entry quatsch (CC BY-SA 4.0).