grin like a Cheshire cat

Etymology
Attested since at least the 1780s. The reason why was combined with  is disputed: see  for more information.

Verb

 * 1)  To smile broadly, especially in a self-satisfied way.

Translations

 * Estonian: kõrvuni naeratama
 * Finnish: hymyillä kuin Hangon keksi, hymyillä korvasta korvaan
 * French:
 * German:, grinsen von Ohr zu Ohr
 * Hungarian: fülig ér a szája, /​vadkörte/​tejbetök
 * Italian: mostrare un sorriso a trentadue denti, sfoggiare un sorriso a trentadue denti
 * Russian: улыба́ться до уше́й
 * Spanish: sonreír de oreja a oreja
 * Swedish: grina som en solvarg