The grin slid from his face.
The mocking grin slid slowly from his lips.
The grin slid back into place on his face.
His lopsided grin slid quickly into place.
The old familiar loose-lipped grin slid over my face as I stepped just a little bit forward, keeping my fists firmly at my sides-for the moment.
A little grin slid into place, and I finished the sentence with, "Cap."
The grin slid from his face when he got a good look at Xris's arm, noticed the metal projectiles that had replaced the cyborg's left hand.
Then the sneering grin slid from his face and he breathed a sigh of relief.
His grin slid from one side of his jaw to the other.
Mackie's grin slid from his punched face.