SOCKDOLAGER

Sock‐dol″a‐ger (?), n. [[A corruption of doxology.]] [Written also sockdologer.] 1. 1. That which finishes or ends a matter; a settler; a poser, as a heavy blow, a conclusive answer, and the like.
2. 2. (Angling) A combination of two hooks which close upon each other, by means of a spring, as soon as the fish bites.