incurve vs side-eye

incurve

verb
  • To cause something to curve inwards. 

  • To curve inwards. 

side-eye

verb
  • To look at out of the corner of one's eye, particularly with animosity, or in a judgmental or suspicious manner. 

noun
  • A sidelong look, particularly of animosity, judgment, or suspicion. 

How often have the words incurve and side-eye occurred in a corpus of books? (source: Google Ngram Viewer )