colin mcinerney , 28 , was allegedly beaten outside darwin mcdonald 's .
he says he gestured at family on friday night thinking they were his friends .
colin pulled up at mcdonald 's drive-through before the other driver got out and allegedly started bashing him .
windscreen wipers and bottles were allegedly used to beat him .
police say the two vehicles pulled up at traffic lights and 35-year-old man took offence to colin 's gesture .
colin , the 35-year-old man and his 36-year-old female companion were all arrested over the incident but later released without charge .