- walloper
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a) Literally, someone who wallops.
1950: Police! Everyone out! The bloody wallopers are on their way! — ,
b) A policeman.1971: Uniformed cops are generally known as wallopers, and cops in plain clothes are called demons. These latter, supposed to be disguised, are instantly recognisable. — , Dealing with Cops, from Aussie Etiket, 1971. Quoted in Aussie Humour, Macmillan, 1988, ISBN 0-7251-0553-4, page 200.
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