This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. One who smirks.

n. a smiler whose smile is offensively self-satisfied

"He was a poor campaigner, a smug, unctuous, uninspiring, sanctimonious smirker so eager to please other establishment types that he let himself get steamrolled in his debate with Dick Cheney and then sat there looking grateful for it."

smiler   

smirked