Related Clues:

• Flow copiously
• Cascade
• Eject, as oratorical venom
• Emit expletives
• Deliver, as venom
• Make like a geyser
• Be overly sentimental
• Disgorge, as lava
• Copious stream
• Wax rhapsodic (over)
• Etna does it
• Emote
• What a volcano can do
• Issue effusive praise
• Eject violently