Source : Webster's Revised Unabridged Dictionary (1913)

Smerk \Smerk\, n. & v.
   See {Smirk}.

Smerk \Smerk\, Smerky \Smerk"y\, a.
   Smart; jaunty; spruce. See {Smirk}, a. [Obs.]

         So smerk, so smooth, his pricked ears.   --Spenser.