Source : Webster's Revised Unabridged Dictionary (1913)

Sniggle \Snig"gle\, v. t.
   To catch, as an eel, by sniggling; hence, to hook; to
   insnare. --Beau. & Fl.

Sniggle \Snig"gle\, v. i. [imp. & p. p. {Sniggled}; p. pr. & vb.
   n. {Sniggling}.] [See {Snig} a kind of eel.]
   To fish for eels by thrusting the baited hook into their
   holes or hiding places. --Walton.