Chew the fat
Meaning
Engage in friendly, informal conversation.
Usage
Used to describe relaxed, meandering talk.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Sailors used to chew salted fat or meat while chatting aboard ships.
Appeared in naval and railroad slang in the eighteenth and nineteenth centuries.