here's looking at you vs skoal

here's looking at you

phrase
  • A toast made to a friend or acquaintance when drinking an alcoholic beverage. 

skoal

intj
  • A toast when drinking, roughly equivalent to cheers. 

verb
  • To make such a toast. 

How often have the words here's looking at you and skoal occurred in a corpus of books? (source: Google Ngram Viewer )