subs. (common).1. A lie; a WHOPPER (q.v.).B. E. (c. 1696); GROSE (1785). Also (2), see RAP, sense 1. Whence RAPPING = very.
1673. S. PARKER, A Reproof to the Rehearsal Transprosed, 200. Though this is no flower of the Sun, yet I am sure it is something that deserves to be calld a RAPPER.