Related Clues:

• Spring's madness ends in bursts
• Son blocks unwanted email then second starts
• 'Sun' involved in junk communication before news, finally, in brief spurts
• Jerks mistake pass for first mountains on last tours
• Wells starts writing in sudden bursts of activity
• Jets
• Convulsions
• Involuntary muscle movements
• Fits sergeant-major into health resorts
• Makes like Old Faithful
• Gushes, as from a water fountain
• Contractual problems?
• Periods of growth
• Outbursts of energy
• Jerks text resort to the west