Definition of Uncle Tommery in US English:

Uncle Tommery

(also Uncle Tomery)

noun

  • Behaviour regarded as characteristic of a black man who is considered to be excessively obedient or servile to whites, or a person resembling such a man, especially (in later use) betrayal of one's cultural or social allegiance. Formerly also: †a system of slavery (obsolete).

Origin

Mid 19th century; earliest use found in Journal of the Society of Arts. From Uncle Tom + -ery.

Pronunciation

Uncle Tommery

/ˌʌŋkl ˈtɒməri/