The phrase "empty barrels" refers to people who pretend to know a lot or make a lot of noise, but actually don't have much knowledge or substance. Full definition
The more empty our barrel is (of toxic contributors), the less symptoms we see and the more equipped we are to combat potential illnesses and diseases. (rachelmmolenda.com)
i really find it uncomfortable talking about my self, because i believe empty barrel makes the loudest noise.However this is the few i can say about my self, I am a widower and i'm self employed, i will never cheat or betray my woman.Relationships are a necessary part of healthy living, but there is no (doulike.com)
We were wondering though how this trike would behave in curves at 100 mph, with half empty barrels. (fieryfoodscentral.com)