To make agreed arrangements that are set in stone, agreeable to both parties, only then to pull out at the last minute due to ones own incompetence ( see also Gak)
Paco: Did that geezer come round to pick up that shit you were gonna sell him?
Marcel: Nah. The geezer...he throw a dippy on me at the last moment and now I'm fucking stuck with it.
Prices shown in USD.