Bloop

The ducks quack, The birds chirp, The fish bloop.

Optical track can be blooped by using blooping tape, which is available from motion picture equipment dealers.

Slowly exhale using short, quick bursts through the mouth, making 'bloop' sounds to mimic a fish each time.

A loud bloop bloop from the fish tank made me jump, the three-year-old Reader’s Digest almost slipping from my grip.

Still, it’s a good place to stand and try to catch sight of a heron or to be quiet to hear the bloop, bloop of fish surfacing to eat a water bug.

The robot produced a series of beeps and bloops before giving its answer to the problem.

A fiendish yell then followed / Ev'ry salvo's 'bang' and 'bloop'.