SMARMY

buttery, fulsome, oily, oleaginous, smarmy, soapy, unctuous

(adjective) unpleasantly and excessively suave or ingratiating in manner or speech; “buttery praise”; “gave him a fulsome introduction”; “an oily sycophantic press agent”; “oleaginous hypocrisy”; “smarmy self-importance”; “the unctuous Uriah Heep”; “soapy compliments”

Source: WordNet® 3.1

Etymology

Adjective

smarmy (comparative smarmier, superlative smarmiest)

Falsely earnest, smug, or ingratiating.

(rare, dated) unctuous, greasy, as hair from pomade

Synonyms

• (falsely earnest or smug): flattering, gushing, ingratiating, oily, smug

Source: Wiktionary