Another word for Gossiping.. Telling others things that are not their business. Disclosing confidential (secret) information. Also the actions of being an informant for the law.
To avoid/ignore/not notice the main part of a conversation, topic ect.
Originating from presumably by someone putting away shopping, and a loaf of bread falls out the bag and to the floor. But the person does not notice it/ignores it and continues to put away the shopping.