Possible Clues:

• Attack with words
• 'Attack strongly', the French cry
• Give generously when there's a whip-round
• Become suddenly aggressive
• Be open-handed or use one's fists?
• Yob remains to be arrested for unprovoked attack
• Spend lots
• React aggressively in US city and yell
• Rail
• The French speak loudly and spend extravagantly