'Ripper' definitions:

Definition of 'ripper'

From: WordNet
noun
A murderer who slashes the victims with a knife; "Jack the Ripper was probably a madman"

Definition of 'Ripper'

From: GCIDE
  • Ripler \Rip"ler\, Ripper \Rip"per\, n. [Cf. Rip a basket, or Riparian.] (O.E. Law) One who brings fish from the seacoast to markets in inland towns. [Obs.] [1913 Webster]
  • But what's the action we are for now ? Robbing a ripper of his fish. --Beau. & Fl. [1913 Webster] Ripost

Definition of 'Ripper'

From: GCIDE
  • Ripper \Rip"per\, n.
  • 1. One who, or that which, rips; a ripping tool. [1913 Webster]
  • 2. A tool for trimming the edges of roofing slates. [1913 Webster]
  • 3. Anything huge, extreme, startling, etc. [Slang.] [1913 Webster] Ripper act