Senses
打嘴 to slap on the face
To slap someone's face or one's own face; often used in the sense of a punishment or to show disapproval for saying something inappropriate.
打嘴 to lose face
To lose face or be humiliated, especially after failing to live up to a boast or being proven wrong immediately after making a claim.
打嘴 to take offense
To take offense or to blame someone, often used in polite apologies when one has had a slip of the tongue