Meaning of Americanitis in English:

Americanitis

Pronunciation /əˌmɛrɪkəˈnʌɪtɪs/

noun

British
  • An attitude or psychological condition considered as particularly characteristic of Americans; especially a condition or state of nervous tension and fatigue, perceived particularly to affect Americans as a result of a stressful, hurried lifestyle (now chiefly historical).

    A humorous formation sometimes in apparently serious use.

Origin

Late 19th century; earliest use found in The Gentleman's Magazine. From American + -itis.