(euphemistic, rare) shit-eating grin

(colloquial) An event at which one is expected to smile and shake hands for a photograph.

Glasgow smile

(informal, derogatory) To behave in an insincerely cheerful way toward somebody, often by way of flattery or flirtation.

(idiomatic, vulgar) A broad smile indicating self-awareness that may suggest self-satisfaction, smugness, discomfort, or embarrassment.

(idiomatic) A broad smile indicating self-awareness that may suggest self-satisfaction, smugness, discomfort, or embarrassment.

(rare) Synonym of kicks-and-giggles

Alternative spelling of pickin' and grinnin'

plural of coprophagous grin

plural of grip-and-grin