The word "jaybird" is often used to refer to a noisy or talkative person. However, there are several synonyms that can be used to portray a similar meaning. Some of the synonyms for "jaybird" include chatterbox, blabbermouth, gabby, loquacious, voluble, and garrulous. These synonyms can be used in various contexts to describe individuals who are talkative, often to the point of annoyance. Depending on the situation, some of these synonyms can be considered more or less harsh than others. As with all slang words, it's essential to use these synonyms with caution and understanding of their connotations.