Possible Clues:

• Do something unreservedly
• Don't hold back
• Do something thoroughly, comprehensively
• Do do something completely
• Commit to the task fully, having obtained axe, and scrape corner
• Do something completely
• Do something very thoroughly
• Show unqualified commitment with summary dismissal for entirely selfish person?
• Don't hold back having got cut — gash the swine!
• Put one's all into it, and managed to fashion opening, gaining corner