If you smirk, you smile in an unpleasant way, often because you believe that you have gained an advantage over someone else or know something that they do not know. Two men looked at me, nudged each other and smirked. to smile in an unpleasant way that shows that you are pleased by someone else's bad luck or think you are better than other people
a smile expressing smugness or scorn instead of pleasure smile affectedly or derisively
(birinin kendinden memnun olduğunu gösteren) sırıtış