someone who always knows the latest gossip or news about other people and feels compelled to delight everyone around him or her with it. a person or group of people (usually women) always absorbed in other people's buisness.
Juana_ oye marisol you hear bout that stoopid slut azucena how she like tried to get with rosa's man pedro???
marisol_ naw juana you like totally turnin into da block chismosa giirl!!