This expression is populer especially in cinematoraphics class of Eylon from The rock city (HOLON.
It used usually when you want to show how awful something.
To attack with enthusiasm and ferocity, most often used when speaking of alcoholic beverages "SHOTS TO THE FACE!" but can be applied to other circumstances, see below:
Jagerbombs to the face! Funnel to the face! Late night pizza to the face! Motorboat to the face! Newport to the face! (vacation) Fenway to the face! (sporting event)
This can also be communicated as the acronym "TTF" or "2TF"