To grin as part of producing a particular facial expression, such as a smile or sneer.
To express by grinning.
To smile, parting the lips so as to show the teeth.
A smile in which the lips are parted to reveal the teeth.
to make fun of (someone); to goad (a person) into responding, often in an aggressive manner.
A scornful or mocking remark; a jeer or mockery