sockdolager Meaning, Definition & Usage

Sock*dol"a*ger noun
Etymology
A corruption of doxology.
Definitions
  1. That which finishes or ends a matter; a settler; a poser, as a heavy blow, a conclusive answer, and the like. Slang, U.S.
  2. (Angling) A combination of two hooks which close upon each other, by means of a spring, as soon as the fish bites. U. S.

Webster 1913