Chew the fat
Definition 1 of 1
Pro Tip 1/3Informal Context
Used in casual, friendly situations like hanging out with friends or family reunions. 
At family gatherings, we usually chew the fat about old memories.
Pro Tip 2/3Extended Conversations
Suggests long, unhurried conversations with no specific goal or agenda. 
Let's meet up and chew the fat about the good old days.
Pro Tip 3/3Not Literal
It's not about eating; it's a metaphor for talking at length. 
The two friends chewed the fat for hours and forgot the time.