 When Batgirl sneaks to the motorcycle contest, one of the gangs  there are dressed like the main characters in  Stanley Kubrick (qv)s _Clockwork Orange, A (1971)_ (qv). At the  same time, the background song is "Fun for Me", performed by  Moloko (qv). Moloko (qv) is Nadsat (Alex de Large and his  droogs language) for Milk.