A "smug look" refers to a facial expression that someone has when they feel overly self-satisfied or confident, often showing off their superiority or achievements.
Sentences with «smug look»
Too often, Stiller has the same slightly smug look on his face, and he only seems break out of it when he snaps into mini-rage. (screenpicks.com)
While his detective outfit is eye - catching on its own, it's that smug look of his that makes him stand out in the crowd! (nintendowire.com)
Ranieri has done a great job with this Leciester team but every time they win he has this f**king smug look or smirk on his face while trying to play innocent and so far we're the only ones capable of wiping that look off his face this season. (justarsenal.com)