pink speedball; pinkie noun a mixture of pharmaceutical cocaine and Dipipanone, an opiate marketed under the brand name Diconal UK
[T]he notorious “pink speedball". This is the most dangerous, yet most intensely euphoric hit known to man [...] I never knew pinkies to be anything else. — Peter McDermott, TheImmaculateInjection[TheHoward MarksBookofDopeStories], p. 361, 2001