smarmy

adjective2

1. •
   Falsely earnest, smug, ingratiating, or pious.

   • Starring a smarmy dog and scores of hapless flying wildfowl, Duck Hunt was the game that introduced many to the joys of the NES Zapper lightgun. — 2019
2. •
   (old-fashioned, rare) Unctuous, greasy, as hair from pomade.

   • He looked faintly loutish, with smarmy hair and a hint of a moustache. — 1985