"Idle gossip" refers to talking about other people's personal lives without any purpose or importance. It usually involves spreading rumors or discussing trivial matters that don't add value or meaning to a conversation. Full definition
Is this just idle gossip or something to be concerned with? (arsenalfcblog.com)
Old - fashioned and melodramatic it may be, but playwright Lillian Hellman's tale of decent lives destroyed by idle gossip still hits hard. (timeout.com)
There does NOT seem to be any press release, just idle gossip along the lines of «The dog underwent a risky surgery and is now recovering well...» (thedogplace.org)