Shug

Shug (?), v. i. [Cf. Shrug.] 1. To writhe the body so as to produce friction against one's clothes, as do those who have the itch. [Prov. Eng.] Halliwell.

2. Hence, to crawl; to sneak. [Obs.]

There I 'll shug in and get a noble countenance.
Ford.