Hypertext Webster Gateway: "rapper"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Rapper \Rap"per\, n. [From {Rap}.]
1. One who, or that which, raps or knocks; specifically, the
knocker of a door. --Sterne.
2. A forcible oath or lie. [Slang] --Bp. Parker.
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