lickpot vs trigger finger

lickpot

noun
  • An untrustworthy sycophant. 

trigger finger

noun
  • the forefinger 

  • a finger used in pulling the trigger of a firearm 

  • difficulty encountered in finger flexion or extension caused by the narrowing of the sheath that surrounds that finger's tendon 

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