tail end charlie

/T EY1 L EH0 N D CH AA0 R L IY0/
noun
  1. 1

    (chiefly British, slang, in World War II) The last aircraft in a formation.

  2. 2

    (chiefly British, slang, in World War II) The rear gunner in a bomber.

  3. 3

    (military slang) The man guarding the rear of a patrol.

  4. 4

    (meteorology, slang) The southernmost thunderstorm in a band of storms, often subject to the best conditions for strengthening.