To have a casual or meaningless conversation.
To talk nonsense or to lie.
To untruthfully speak of another in a belittling, deprecative, slighting manner, either in person or in absentia.
To talk trivially, nonsensically, or incessantly.
Talk about trivial or nonsensical matters; inconsequential or incessant conversation.
Light and lively discussion.
The chattering of teeth due to trembling, shivering, etc.