Possible Clues:

• What Etna can do
• First of teeth, perfect, coming up, do this?
• Break out from slammer up town
• Some sober up then throw up
• Explode volcanically
• Blow like Eyjafjallajokull
• Break out in laughter up there
• Express anger
• Blow up, being rather uptight? Not entirely
• Innocent returned: time to break out