tin grin

tin grin

n. a smile with a mouth having braces. I’ll be glad when I get rid of this tin grin.
See also: grin, tin
References in periodicals archive ?
Its two new animated series are already generating interest from buyers: "Braceface," a co-production with China's Jade Animation, featuring Alicia Silverstone as a `tween girl with a tin grin, and "Cyberchase," a TV-Web hybrid about a group of kids summoned into cyberspace.