wrongo

plural wrongos

1. slangSynonym of wrong 'un (“dishonest or disreputable person”).

   On Nixon's side, if you were not for us, you were against us; on the extreme anti-Nixon side, if you were for him, you were a wrongo; on the pro-Nixon zealot's side, a wrongo had no rights.

   2005, Before The Fall: An Inside View Of The Pre-Watergate White House, page 314

   1 more example

   They kept pretty much to themselves, a difficult thing to do on a boat designed for overall togetherness extending to monkeys, marmosets, parrots and a four-foot alligator. He—the man, not the alligator—looked like a wrongo.

   2015, David Dodge, The Last Match

   Synonyms: wrong 'un