A clever ploy or strategy.
A trick or device used to attain some end.
A night out with one's friends.
A gimmick capacitor.
To rig or set up with a trick or device.
A person who is not good enough to be considered proficient but may be useful as a backup.
A person who plays second string. A person who is kept on a sports team as a backup in case a "first-string" player is unavailable.