Possible Clues:

• Disc drive button
• Dismiss English judge in front of European court
• Fighter pilot's emergency button
• Send out forcibly
• Throw out leaders of European junta entering Channel Tunnel
• Fly out of the helicopter, say
• Spit out stone about to be swallowed on to one side of plate
• Expel, throw out
• Unique button in 007's Aston Martin
• Remove a tape