A less offensive substitute for the word 'hell'. Comes from a clever bleeping out the bottom bars of 'e' and the first 'l', and stands for 'Home For Infinite Losers'. Each letter is said individually. Example: What in the HFIL are you talking about? Go to HFIL.
HFIL
Meaning of HFIL in English
Slang English vocab. Английский сленговый словарь. 2012