pig dog vs toad

pig dog

noun
  • A contemptible or worthless person. 

  • A dog bred to hunt wild pigs, typically based on breeds such as Staffordshire Terrier and English Bull Terrier. 

  • A stance used for surfing tubes on one’s backhand. The surfer crouches low over a bent front knee, back leg extending back, outside hand holding onto the outside rail, and inside arm extended upwards touching the face of the wave as a guide (or digging in to slow down). 

verb
  • To surf in the pig dog stance. 

toad

noun
  • A contemptible or unpleasant person. 

  • An ugly person. 

  • An amphibian, a kind of frog (order Anura) with shorter hindlegs and a drier, wartier skin, many in family Bufonidae. 

verb
  • To expel (a user) permanently from a MUD or similar system, so that their account is deleted. 

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