Related Clues:

• Blow a fuse, so to speak
• Emulate Etna
• Flow with force, as from a broken pipe
• Rhapsodize
• Flow copiously
• Cascade
• Utter, as a sound
• Send forth, as light
• Give off, as radiation
• Flare up
• Be overly sentimental
• Let out lava
• Emulate Vesuvius
• Show one's rage
• Copious stream