crabapple vs horse's ass

crabapple

noun
  • An unpleasant person; a person who is crabby. 

  • The fruit of this tree. 

  • Any of the wild species of apple tree, genus Malus, which generally yield small, bitter fruit (in comparison to domestic apples, Malus domestica). 

horse's ass

noun
  • A jerk; an unpleasant, unlikable person; an asshole. 

  • A thing or person which is visually unappealing. 

How often have the words crabapple and horse's ass occurred in a corpus of books? (source: Google Ngram Viewer )