vessel

Empty vessels make the most sound.

Prov. Foolish people make the most noise. I suspect Amy is not very smart. She chatters constantly, and as they say, empty vessels make the most sound.

See also: empty, make, most, sound

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burst/bust a blood vessel  (informal)

1. to use a lot of effort doing something I'd like the designs as soon as possible, but don't bust a blood vessel!

2. to become very angry and start shouting He nearly burst a blood vessel when he heard what they'd done to his car.

See also: blood, burst

Empty vessels make (the) most noise/sound.

something that you say which means that people who talk a lot and frequently express their opinions are often stupid David talks as if he's an expert on everything, but empty vessels make most noise.

See also: empty, make, most, noise