Related Clues:

• The 'one' of a one-two
• Start of a one-two punch
• Hand with attitude?
• Quick hit
• Poke
• It's hard-hitting
• Duke
• Marciano maneuver
• Robinson's weapon
• Unkind remark
• Symbol of solidarity
• One-two part, sometimes
• Injection
• It may be mailed
• Ring punch