shout from the housetops
shout from the housetops or shout from the rooftops {v. phr.}, {informal}
To tell everyone; broadcast, especially one's own personal business.
Mr. Clark was so happy when his son was born that he shouted the news from the housetops.
When Mary bleached her hair, her neighbors shouted it from the housetops.
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Source: A Dictionary of American Idioms