We're not sure exactly what provoked it (perhaps someone borrowed
Pete Wentz's eyeliner without asking?), but it seems that the members of
Fall Out Boy are on the outs. The four punk-poppers are currently
embroiled in a furious Twitter feud -- an online battle the likes of
which we haven't seen since Courtney Love challenged her own daughter to the Facebook equivalent of a schoolyard tussle this past December.