This good fun app contains the most annoying sounds known to humanity.True, pure, blood curdling Annoyance can be found inside, be warned you may get annoyed.Use this app to irritate, wind up and annoy anyone, classmates, friends, colleagues, teachers, annoy anyone you can.These sounds are scientifically proven to be the most annoying sounds known to the world.Enjoy these funny and annoying sounds effects today, for free!