If there's a buzzing-noise, somebody's making a buzzing-noise, and the only reason for making a buzzing-noise that I know of is because you're a bee.
A. A. MilneChristopher Robin was home by this time, because it was the afternoon, and he was so glad to see them that they stayed there until very nearly tea-time, and then they had a Very Nearly tea, which is one you forget about afterwards, and hurried on to Pooh Corner, so as to see Eeyore before it was too late to have a Proper Tea with Owl.
A. A. MilneWhy does a silly bird go on saying "chiff-chaff" all day long? Is it happiness or hiccups?
A. A. Milne