smarm
verb
[ smɑːm ]
• behave in an ingratiating way in order to gain favour.
• "she had smarmed up to him in order to entrap him"
• smooth down (one's hair) with water, oil, or gel.
• "he had smarmed his hair down"
smarm
noun
• ingratiating behaviour.
• "it takes a combination of smarm and confidence to persuade them"
Origin:
mid 19th century (originally dialect in the sense ‘smear, bedaub’): of unknown origin.