dial. Also 9 snirl, snerl. [Cf. SNARL v.1]
Some other senses in northern dial. and Sc. are recorded in the Eng. Dial. Dict.
1. trans. To ruffle or disturb.
1719. Ramsay, 3rd Answ. Hamilton, vii. When northern blasts the ocean snurl.
2. To turn up (the nose) in disdain.
a. 1833. R. Anderson, Cumb. Ballads (1881), 138. She snurld up her neb.
1873. in Swaledale Gloss., 24/1.