shout from the housetops/rooftops, to

shout from the rooftops

Announce publicly, as in Just because I won first prize you needn't shout it from the rooftops. This term alludes to climbing on a roof so as to be heard by more people. A similar phrase, using housetops, appears in the New Testament (Luke 12:3): "That which ye have spoken ... shall be proclaimed upon the housetops." [c. 1600]
See also: rooftop, shout

shout from the housetops/rooftops, to

To publicize something. Obviously antedating electronic communication, this term echoes a slightly different one in the Bible, where Jesus exhorts his disciples to spread the word of God: “Therefore whatsoever ye have spoken in darkness shall be heard in the light; and that which ye have spoken in the ear in closets shall be proclaimed upon the housetops” (Luke 12:3).
See also: housetop, shout