Related Clues:

• Gush, as a volcano
• Eject, as 16-Across
• Eject, geyser-style
• Expel, as lava
• Belch
• Expel in a stream
• Gush in a bad way
• Belch forth
• Let fly, as lava
• Flow with force
• Blow out, as volcano
• Emulate 59-Across
• Eject, volcano-style
• What a geyser does
• Expel forcibly