New Delhi, June 27 (IANS) Director Puri Jagannath's 'Bbuddah...hoga Tera Baap' reiterates the commonly used term 'old in age, but young at heart' with 68-year-old Amitabh Bachchan as a rebellious flamboyant hitman. Releasing Friday, it'll see Big B splashing colour and giving youngsters a run for their money by exuding inimitable style on a Harley Davidson.