PFC being an acronym for "potential fat chick". A girl who isn't fat but you think could potentially become fat based on how her mother, sister, auntie look or eating habits , etc.
by Sublyzim October 06, 2009
Someone (usually aged 11-15 years old) who plays RuneScape, constantly talks about it, thinks people care about what they did on RuneScape.
by Sublyzim October 06, 2009