Sc. [Of obscure origin: cf. SNECK v.2] trans. To cut.
Jamieson (1808), also gives sneg as a sb.
1718. Ramsay, Christs Kirk Gr., III. xii. [She] snegd the raips fow snack, We er knife that day. Ibid. (17[?]), Address of Thanks, xviii. Bring to the warld the luckless wean, And sneg its infant thrapple.
180857. in Eng. Dial. Dict.