Learn A Word: Smug

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

所有跟帖： 

• Smug -冲浪潜水员- ♂ (2304 bytes) () 02/23/2014 postreply 21:42:40

• "Smug" reminds me of the world "Smog". -斓婷- ♀ (550 bytes) () 02/24/2014 postreply 07:45:58

• Well, now you reminded me of another word "snug" -冲浪潜水员- ♂ (2632 bytes) () 02/24/2014 postreply 23:14:43

• smug-smog-snug,chain reaction,lol... -斓婷- ♀ (0 bytes) () 02/25/2014 postreply 07:14:02