kerisinms

To draw back the lips and reveal the teeth, in a smile, grimace, or snarl

English: grin

Bahasa: menyeringai, meringis, tersengih, ringis, kernyih, gerenyot, kerenyot, kumut

A facial expression characterized by turning up the corners of the mouth, usually shows pleasure or amusement

English: smile, smiling, grin, grinning

Bahasa: menyenangkan, tersenyum, senyum, senyuman, seringai, kernyih, sengih, sengihan

Less certain link between this word and this sense.