D defs.my
Entry 2 senses Webster, 1913

Shug

· IPA /ʃʌɡ/
01 v. i. To writhe the body so as to produce friction against one's clothes, as do those who have the itch.
  1. 1.
    To writhe the body so as to produce friction against one's clothes, as do those who have the itch.[Prov. Eng.]
  2. 2.
    Hence, to crawl; to sneak.[Obs.]
    “There I 'll shug in and get a noble countenance.” Ford.