Definition of Tommy Atkins in US English:

Tommy Atkins

(also Tommie Atkins)

noun

  • (A generic name for) a British private soldier; British private soldiers collectively. Also occasionally in extended use: a private in any army; a member of the rank and file in any organization.

Origin

Mid 19th century. Apparently from Tommy, pet form of the male forename Thomas + the surname Atkins, after Thomas Atkins.

Pronunciation

Tommy Atkins

/ˌtɒmi ˈatkɪnz/