HFSAIL 

Acronym for "holy fucking shit am I lonely".

I spent my tenth consecutive Saturday night watching Matlock and eating ice cream by myself. HFSAIL.

HFSAIL by Havisham January 19, 2010

HFSIL 

Abbreviation. Informal. "how fly should I look". Perfect for a situation where you aren't sure what to wear.

hey guys I'm going to Costco hfsil
Pretty darn fly

HFSIL by jujobaco July 23, 2015