ff'ed
Stand for Freshly Fucked, that is, flushed, hair tousled, often out of breath, etc. freshly fucked just-got-fucked hair
Dude#1: Man, she looks ff'ed.
Dude#2: She looks what?
Dude#1: Like she's been freshly fucked, moron.
Dude#1: Oh.
Dude#2: She looks what?
Dude#1: Like she's been freshly fucked, moron.
Dude#1: Oh.