a girl who is either really nasty (un-hygenic) or who you have
no interest in, or both. especially applies if that girl is way too into you or pitifully desperate. comes from verb:
Festering see
def.
man that festa courtney keeps calling me.
ugh, sorry dude that girl is
butt nasty, just keep ignoring her and she'll get the message.
doubt it, she keeps showing up at
my HOUSE man.
ew.