Related Clues:

• Wound for Cassio
• Unfocused attempt
• Get one's point across?
• Attack like Norman Bates
• Desperate guess
• Wound with a knife
• Use a knife, say
• Put a fork in
• Attack with a shiv
• Go mad backwards
• Stick a knife into
• You might take one before giving up
• Total guess
• The tibia
• Pang, as of conscience