1. to grin or grimace; to show one's teeth in a grin or snarl
Usage: chiefly Scottish and Northern English dialect; third person singular present tense of 'girn'
2. to whine, complain, or grumble
Usage: chiefly Scottish and Northern English dialect; third person singular present tense of 'girn'

Examples

• The dog girns and shows its teeth when threatened.
• She girns at the camera with an exaggerated smile.
• He girns constantly about the weather.
• The child girns whenever she doesn't get her way.
• They girn about the poor service at the restaurant.