English

smirk verb definition in Happiness topic from the Oxford Advanced Learner's Dictionary

smirk

 verb: Happiness topic
to smile in a silly or unpleasant way that shows that you are pleased with yourself, know something that other people do not know, etc. It was hard not to smirk. He smirked unpleasantly when we told him the bad news. She smirked to herself as she walked away. What are you smirking at?