Possible Clues:

• 'Ishtar' or 'Heaven's Gate,' famously
• ''Waterworld'' or ''Ishtar,'' e.g.
• This might blow the end off a stick in a grand manner of speaking
• Long football pass (with ''the'')
• Cinematic stinkeroo
• Crash and burn
• Turkey to go down like a lead balloon
• Hollow case containing incendiary material
• Lots of money including marks, shillings
• Movie that flops