Bleep

Bleep can refer to:

a fictional expletive: a term for replacing audio with a tone, often to cover the use of profanity.
Bleep.com - Online music download retailer, specializing in indie music.
Tape delay (broadcasting) or Bleep censor - Intentionally delaying broadcast of live material.
What the Bleep Do We Know!? (a 2004 film)
Bleep - fictional electronic music band: see Clubbo Records