What is Flapping Their Gums?
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When someone is said to be “flapping their gums” it means that he or she talks a lot about topics he or she doesn't really understand or know about. It also means to say something but not really mean it.
Frank and Joe are always flapping their gums about what it's like to be street hustlers, when they have never even been out of the burbs.
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Random Words:
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an expression used to indicate that a person isn't very smart
see also - not the brightest bulb on the porch, not the sharpest pen..
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In a bar, to request an item... only to re-request a change, or cancel it all together and order another item when the bartender comes h..
