Possible Clues:

• Joint in arm
• Players are red carded for using it
• Nudge with an arm bone
• Jostle to see the Spanish show obeisance
• Plumber's joint
• Jostler's weapon
• Could be Blue, could be Willie
• Joint from which non-British totter back
• From below you may get a lift that can lead to a tight fit
• Lift it when you sink the drink