Gabbers is a slang term that refers to people who talk excessively or gossip frequently. There are several synonyms that can be used instead of gabbers such as blabbermouth, chatterbox, windbag, motor-mouth, and yapper. A blabbermouth is someone who talks too much and cannot keep a secret. A chatterbox is a person who talks incessantly, sometimes without regard for others. A windbag is someone who speaks too much without saying anything of importance. A motor-mouth is an individual who talks rapidly and incessantly. A yapper is a person who speaks annoyingly or excessively. Using these synonyms can help to add more color and variety to your vocabulary and communication.