gossip

not sexist per se (it originally meant "godparent"), "gossip" is functionally sexist because the term is reserved for women. For the verb, use talk idly, talk over, talk up a storm, chat, converse, shoot the breeze, pass the time of day, make small talk, jaw, make chin music, wag tongues, rattle away, run off at the mouth, beat one's gums, bend someone's ear, talk someone's arm/head off; repeat everything one hears, tell secrets, spread rumors/stories, mudsling, dish the dirt. For the noun, use: rumormonger, whisperer, talebearer, blabbermouth, big mouth, mudslinger, motormouth, loose tongue, chin wag, newsmonger, windbag, idle talker; palaver, idle/small/empty talk, scuttlebutt, hearsay, chin music, talkfest, an earful. See also bull session, gabby, gossipy, yenta/yente.