marble dome

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marble dome

A thoroughly stupid person; someone with no sense or intelligence. Don't listen to any advice that marble dome gives you—he's only got a job here because of who his daddy is. There's no way I'll lose to a marble dome like you.
See also: dome, marble

marble dome

n. a stupid person. (Someone who has marble where brains should be.) The guy’s a marble dome. He has no knowledge of what’s going on around him.
See also: dome, marble