The “fast” and disreputable district in a city.

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1909.  The local “tenderloin” [in Pittsburg] has ceased to be the crying nuisance it once was…. There are no more places where carousal holds sway unchecked.—N.Y. Evening Post, Jan. 18.

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1910.  “I guess I’ll have to go back with you,” said the murderer. “I wanted to see the old Tenderloin once more, and should have gone West yesterday; but its all up with me now.”—Id., March 17.

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1910.  [One newspaper suggested] that, inasmuch as Nevada seemed perfectly willing to take care of prizefights and divorces, it should be set aside as a sort of national “Tenderloin,” in which all the vices which every other State prohibited might be freely allowed, in segregation.—Id., Oct. 13.

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