The Collaborative International Dictionary of English v.0.48:

Snig \Snig\, v. t. [See Snick a small cut.]
   To chop off; to cut. [Prov. Eng.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Snig \Snig\, v. i. [See Sneak.]
   To sneak. [Prov. Eng.]
   [1913 Webster] Snig

The Collaborative International Dictionary of English v.0.48:

Snig \Snig\, Snigg \Snigg\, n. [Cf. Sneak.] (Zool.)
   A small eel. [Prov. Eng.]
   [1913 Webster]