An individual who lives for the weekend i.e. they spend their wages on getting drunk and pulling people in clubs that play popular music. About 90% of the British population between the ages of 15 and 30.
Look at that group of Hard-Fis over there. Let us separate ourselves from their mindless normality.
I pulled this hot girl in Fifth Ave last night.
Was she a Hard-Fi?
Yeah, obviously. It was a club.