Buzz

Etymology
Onomatopoeic.

Noun

 * 1) A continuous, humming noise, as of bees; a confused murmur, as of general conversation in low tones, or of a general expression of surprise or approbation.
 * 2) A whisper; a report spread secretly or cautiously.
 * 3) The audible friction of voice consonants.
 * 4) A rush or feeling of energy or excitement.
 * Still feeling the buzz from the coffee, he pushed through the last of the homework.
 * 1)  A telephone call.

Verb

 * 1) To make a low, continuous, humming or sibilant sound, like that made by bees with their wings. Hence: To utter a murmuring sound; to speak with a low, humming voice.
 * 2) * 1897,, Chapter 20
 * The flies, lethargic with the autumn, were beginning to buzz into the room.
 * 1) To sound forth by buzzing.
 * 2) To whisper; to communicate, as tales, in an under tone; to spread, as report, by whispers, or secretly.
 * 3) To talk to incessantly or confidentially in a low humming voice.
 * 4)  To fly very low over an airport or other location.