Related Clues:

• Sounds like material for a swell
• The coming-out of one's shy aunt
• Start to put one's foot down in a runaway way
• Start to put your foot down and quickly get away with it
• Frightful flight
• Deep mats make for a frightful run
• A frightful flight for 4 across
• 'There's a wave of such material, by the sound of it (5)'
• Wave for the sudden rise in electric current
• Put your foot down to the deep and run away
• Press the wave to follow the South
• Press follows the South to wave for it
• Herd's headlong rush
• Field of films
• Sudden gush