SUG

Etymology 1

From the initial letters of selling under the guise of research.

Verb

sug (third-person singular simple present sugs, present participle sugging, simple past and past participle sugged)

(informal) To market a product or service by means of purported market research.

Etymology 2

Shortening.

Noun

sug (plural not attested)

(informal) sugar; sweetheart (as a term of endearment)

Anagrams

• GSU, Gus, ugs

Source: Wiktionary

Sug, n.

Definition: A kind of worm or larva. Walton.

Source: Webster’s Unabridged Dictionary 1913 Edition