clinch vs top it off

clinch

verb
  • To make certain; to finalize. 

  • To clasp; to interlock. 

  • To embrace passionately. 

  • To hold firmly; to clench. 

  • To bend and hammer the point of (a nail) so it cannot be removed. 

  • To set closely together; to close tightly. 

  • To fasten securely or permanently. 

noun
  • Any of several fastenings. 

  • A passionate embrace. 

  • The act or process of holding fast; that which serves to hold fast. 

  • The act of one or both fighters holding onto the other to prevent being hit or engage in standup grappling. 

  • A hitch or bend by which a rope is made fast to the ring of an anchor, or the breeching of a ship's gun to the ringbolts. 

top it off

verb
  • To emphasize or underscore; to make something even better or worse. 

How often have the words clinch and top it off occurred in a corpus of books? (source: Google Ngram Viewer )