nails on a black board
It is Justin Bieber's voice and music.
most annoying
Annoying.
warning sound
It's really annoying.
loud, constant, annoying
throw it off a skyscraper, won't be annoying after that.
more annoying, most annoying
Annoying.
extremely annoying
The duration of Most Annoying People is 3.5 hours.
It doesn't sound like Christian or Kiefer - just horribly grating and annoying. Nissan NOW!! I turn off the sound.