Someone (generally an asian) who is always seen in the school hall or in the library with a smugg-ass look on their face. They think they are the shit because they study all day and get perfect scores on all of their tests
All asians are smuggly
by Big Snigger August 5, 2006
A combination of smug and ugly, smuggly refers to the attitude of Republican candidates' and supporters' faces when confronted with the viciousness of their attacks on minorities.
In the face of criticism regarding his call to ban Muslims entering the U.S., Donald Trump remained smuggly.
by L. Info December 16, 2015