RB, noun
?nonce. Abbreviation of rugger-bugger.
1991 Personality 18 Mar. 14You’ll definitely find one or two RBs called Butch, Hammer or Vleis among this crew...Everyone says ‘yeh baw’ a lot, and the word for ‘pundah’ (a very rude word for ‘chicks’) will definitely be uttered by the real animals.
Abbreviation of rugger-bugger.

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