DuckCorp Dico

Found one definition

1.                 From German - English Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   fixen /fˈɪksən/ <v, intr>
   shoot drugs <v>, be on the needle <v>, fix <v>, mainline <v> [slang]
    see: fixend, gefixt, Heroin spritzen
            Note: Drogen spritzen