Chat ( Informal ) (6)
(Other definitions for chinwag that I've seen before include "Chat (colloq.)" , "Talk (sl.)" , "Gossip" , "rabbit" , "Informal conversation" .)
(Other definitions for natter that I've seen before include "Talk continually or annoyingly" , "Casual talk" , "Talk socially about nothing important" , "Talk inconsequentially" , "Idle chat" .)
(Other definitions for confab that I've seen before include "Exchange" , "casual conversation" , "Chat (informal)" , "Talk informally" , "Chat (colloquial)" .)