Related Clues:

• Spew forth
• Emulate Dante's Peak
• Burst
• Hit the roof
• Celebrate, in a way
• Lose one's cool
• Blow one's stack
• Have a ball!
• Burst open
• Blow a fuse
• Completely lose it
• Go berserk
• Spew lava
• Let off steam?
• Burst forth