Brendan rocked back in the chair, teeth grinding as his smile became a terrible fixed grin.

Malvern had the thin fixed grin of a live medical student in a room full of cadavers.

Aranax watches her with his fixed grin.

He stared at the horrible red eyes and the great, wide mouth with its fixed grin.

Death allowed his fixed grin to widen a little.

Straight, narrow nose, lips firm with the corners turned up in a slight but fixed grin.

Cliff offered the open bottle on the coffee table, still giving off his fixed grin.

'Quite so, quite so,' said Ridcully, slowly and carefully through his fixed grin.

But the presenters in colourful dungarees and scary fixed grins are possibly a bit subversive.

He wears a fixed grin, demonstrating the sense of humor that women say is so important in their dates.