Related Clues:

• Drone from Rush
• Dreaded game show sound
• Noise of bees
• WWII V-1 pilotless aircraft (informal)
• Military clipping?
• Sound from a beehive
• Telephone, informally
• Sound of a bumble bee
• Thrill; bee's sound
• Drone — bustle
• Sense of excitement
• Call large bird, not difficult in East London
• Fly sound