as hell vs asf

as hell

adv
  • 2004, Teralee E. M. Bird, Seraphim Trilogy Book One; What the Herald Angel Sang 

  • To a great extent or degree; very. 

  • Even though he was frightened for them, even though he was scared as hell to fail them, it felt so good to know these people cared when he hurt! 

asf

How often have the words as hell and asf occurred in a corpus of books? (source: Google Ngram Viewer )