buzz 
(bŭz)
(bŭz)v. buzzed, buzz·ing, buzz·es
v.intr.
1. To make a low droning or vibrating sound like that of a bee.
2.
a. To talk, often excitedly, in low tones.
b. To be abuzz; hum: The department was buzzing with rumors.
3. To move quickly and busily; bustle.
4. To make a signal with a buzzer.
v.tr.
1. To cause to buzz.
2. To utter in a rapid, low voice: "What is he buzzing in my ears?" (Robert Browning).
3. Informal To fly low over: The plane buzzed the control tower.
4. To call or signal with a buzzer.
5. To make a telephone call to.
6. To give a buzzcut to.
n.
Phrasal Verb: 1. A vibrating, humming, or droning sound.
2. A low murmur: a buzz of talk.
3. A telephone call: Give me a buzz at nine.
4. Slang
a. A state of pleasant intoxication, as from alcohol.
b. A state of stimulation or overstimulation, as from caffeine.
5. Slang
a. Excited interest or attention: "The biggest buzz surrounds the simplest antioxidants: vitamins" (Carol Turkington).
b. Rumor; gossip: the latest buzz from Hollywood.
6. A buzzcut.
buzz off Informal
To leave quickly; go away: I told them in no uncertain terms to buzz off.
[Middle English bussen, of imitative origin.]