Learn A Word: Smug
文章来源: 冲浪潜水员2014-02-23 21:39:50
I know what a mug is. Bug "smug", I had to consult Wiktionary to know its meaning. Interestingly, this word comes up twice in recent posts on this forum. Do you know where? Do you know its meaning?

Surfer_Diver
2014.2.23