When the dreamer hears an annoying buzz in his dreams, then it tends to be a warning that he should be careful of someone who is attempting to take the advantage of his good faith and he should take the necessary precautions in order to avoid unpleasant or uncomfortable situations.
Dream dictionary: Buzz dream meanings
Backbiting, hearsay or unimportant gossip.
…Dreaming that you use a hand-saw, indicates an energetic and busy time, and cheerful home life. To see big saws in machinery, foretells that you will superintend a big enterprise, and the same will yield fair returns. For a woman, this dream denotes that she will be esteemed, and her counsels will be heeded. Dreaming of rusty or broken saws, denotes failure and accidents. To lose a saw, you will engage in affairs which will culminate in disaster. To hear the buzz of a saw, indicates thrift and prosperity. To find a rusty saw, denotes that you will probably restore your fortune. To carry a saw on your back, foretells that you will carry large, but profitable, responsibilities….
Ears symbolize communication as a passive organ of hearing. Ear also symbolizes the femininity and the dependence on something. The ears often refer to women who share the life with the dreamer or the owner of the ears in the dream. If we dream of well-formed and beautiful ears that predicts happiness. Badly formed ears mean misfortunes. If our ears buzz we fear others gossip about of us. If we try to cover our ears with a hat, with the hair or any other garment in the dream that reveals the fear that ours sexual desires or our dependence on another person are discovered.