wanker vs whacker

wanker

noun
  • An ineffectual person. 

  • Someone who shows off too much, a poser or poseur; someone who is overly self-satisfied. 

  • A penis. 

  • An annoying person. 

  • An idiot, a stupid person. 

  • A very informal address used between friends. 

  • A person who wanks. 

whacker

noun
  • One who, or something which, whacks. 

  • Synonym of whopper (“an outrageous or blatant lie”) 

  • Synonym of whopper (“anything large”) 

How often have the words wanker and whacker occurred in a corpus of books? (source: Google Ngram Viewer )