grin like a mule eating briars
English
Verb
grin like a mule eating briars (third-person singular simple present grins like a mule eating briars, present participle grinning like a mule eating briars, simple past and past participle grinned like a mule eating briars)
- (US, simile, colloquial) To grin very widely.
- Synonym: smile like a mule eating briars