With a smug smile he dropped the gun on the floor behind him.

The manager gave a smug smile, which was not returned.

He opened the lid and gave me a smug smile.

Though Mary wasn't looking at him, he couldn't miss her smug smile.

From his smug smile, I should have been more prepared.

But then, every time he thought of that little god's smug smile.

He gave that smug, satisfied smile of his and put them back in the box.

With the smug smile of victory, he opened the door.

And he had a very smug smile on his face.

Smiling a smug smile, as if he'd done exactly what she expected of him.