smirk

verb
1
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.
پوزخند زدن, نیشخند زدن, لبخند خودبینانه زدن, لبخند معنادار زدن
noun
1
a silly and unpleasant smile that shows that you are pleased with yourself, know something that other people do not know, etc.
لبخند تمسخرآمیز, پوزخند