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

Glasgow smile

simple past tense and past participle of skin and grin

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

present participle of skin and grin

present participle of grin and bear it

simple past tense of grin and bear it

past participle of grin and bear it

(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.