fofoca, conversa fiada, bisbilhotice, mexerico, rádio peão, rumor
Gossip: Rumor or talk of a personal, sensational, or intimate nature. A person who habitually spreads intimate or private rumors or facts. Trivial, chatty talk or writing. A close friend or companion. Chiefly British: A godparent.
------"Gossip is when you hear something you like about someone, you don't." - Earl Wilson
------“The only time people dislike gossip is when you gossip about them”.
------"Gossip is the art of saying nothing in a way that leaves practically nothing unsaid." -
Walter Winchell
------"It is perfectly monstrous the way people go about nowadays saying things against one, behind one's back, that are absolutely and entirely true." - Oscar Wilde
------"There is only one thing in the world worse than being talked about, and that is not being talked about." - Oscar Wilde
------"Show me someone who never gossips, and I will show you someone who is not interested in people." - Barbara Walters
Grapevine: The informal transmission of information, gossip, or rumor from person to person. usually unrevealed source of confidential information.
------“Heard it through/on the grapevine.”
Scuttlebutt: The drinking fountain aboard a ship; (colloquial U.S.) idle gossip, rumor emanating from the water cooler. On shore, the word is used widely as a synonym for gossip but should be restricted to the gossip likely to be picked up at the water cooler or fountain. Today's word has no correlate verb or adjective. Remember, this word is not a synonym of "gossip" and should be restricted to the office (or on board ship), places which afford drinking fountains or water coolers.
------"Raymond, scuttlebutt has it you are in line for a big transmotion." "Have you heard the scuttlebutt about the boss's wife? They say she had one facelift too many and now every time she sits down she grins."
gossip, blab, tattle (verb). These verbs mean to engage in or communicate idle, indiscreet talk: gossiping about the neighbors; can't keep a secret—he always blabs; is disliked for tattling on mischief-makers.
Sources: YourDictionary.com/Answers.com