She had trouble keeping awake as he 'droned on' about himself.
the endless 'drone' of washing machines at the laundry
the 'drone' of passing traffic
(..) that's probably as popular as yours. You remember, of course, miss Torso, the ballet dancer? She's like a queen bee with her pick of the drones. I'd say she's doing a woman's hardest job.'juggling wolves. Thank you. She picked the most prosperous-looking one. (..)1954 Rear Window