1.
to buzz, hum
He buzzes like a bee. يطنطن كي النحلة ytntn ky n7l
2.
to be strong, still alive and well
Oh, the good old days, when I was young and humming with good health. يا حسرة كي كنت صغير بصحتي نطنطن y 7sr ky knt sghyr bs7ty ntntn