abuzz
adj.adj. full of noise and activity. You use this to describe a place where many people are talking or moving around.
adj. characterised by a great deal of noise, activity, or excitement. Often used to describe a crowd or a specific location that is lively and busy.
The city streets were abuzz with people on the weekend.
The office was abuzz with rumors of a major merger after the CEO's sudden departure.
The local market was abuzz with the sounds of haggling and the scent of fresh spices as hundreds of vendors prepared for the morning rush.
From a- (prefix indicating a condition or manner) + buzz (“feeling or rush of energy or excitement; major topic of conversation; widespread rumor; information spread behind the scenes”) or buzz (“to show a high level of activity and haste; to communicate in an undertone; to spread, as a report, by whispers or secretly; to talk to incessantly or confidentially in a low humming voice”).