1. n--the sulky, angry (but very impressive) dragon from Tolkein's tale, The Hobbit, whose secret weakness was a spot on his left breast unprotected by scales.
2. n, slang--someone who puts up a big front of
power to conceal his/her balls.
3. v--to put up a big front of
power to conceal
one's balls
1. Smaug reared up to show his massive strength and
power, but
Bilbo pointed out the flaw in his armor.
2. Bush is a huge smaug; he's always trying to hide the fact that his brain is full of balls behind a bunch of pointless aggression.
3. Dude, quit smauging--it's ok that you
don't always have the answer.