Related Clues:

• Clear, as a chalkboard
• Wipe off, as a slate
• Nail with a ray gun
• Shocking sound
• Bolt from the blue?
• Ray gun sound
• Reheat, nowadays
• Do blackboard duty
• Microwave, in slang
• Demagnetize, as a tape
• Get the lead out
• Use the remote
• Get the lead out
• Wipe away
• Use a ray gun