First, you'll need a declaration of war. That way,

Related:

• Herman: How many men do you have? Bart: None. Herman:
  You'll need more. -- "Bart the...
• Bart: Uh, Mr. Herman? Herman: Yes? Bart: Did, did you lose your arm in the war?
  Herman: My arm? Well, let me put it this way: Next...
• Bart: "Sir, did you lose your arm in the war?" Herman (?):
  "Well, let's just say that the next time your teacher...
• Herman: [whispers] What's the password? Grampa: Let me in,
  you idiot! Herman: Right you are. [opens the door]...
• It's a classic Pincer's Movement. It can't fail against a ten-year-old!
  Herman lends Bart military advice, "Bart the...
• Bart: Well, I had a run-in with a... bully. Marge:
  [bursts in] A bully!? Homer: [annoyed] Come on, Marge...
• The key to Springfield has always been Elm Street. The Greeks knew it.
  The Carthaginians knew it. Now <you> know it. ...
• Lisa: Why don't you go see Grampa? Bart: What can <he> do?
  Lisa: He'll give you good advice. He's the toughest...
• Bart: Okay, we all know why we're here, right? Milhouse:
  No, why? Bart: To fight Nelson, the bully. That...