sammier
/ˈsæmiər/Definitions
1. adjective
somewhat or more than slightly smarmy; having a smarmy quality
“He was being sammier than usual when he tried to sweet-talk the customer into buying the expensive upgrade.”
2. noun
a person who is smarmy or overly charming
“The politician’s sammier side came out during the election campaign, and it turned off many of his potential voters.”