Related:

• Bart: You can do it, Otto! You're the coolest adult I ever met!
  Otto: Wow! I've never been called an adult before....
• Bart: I didn't know you played the guitar, Otto-Man!
  Otto: Hey, that's all I <did> in high school! -- "Otto Show...
• Bart: Oh, how can they imprison kids in school on a beautiful day like this?
  Lisa: They're not imprisoning us, Bart, they're -- [a grey bus labeled "Springfield Prison" pulls up] Ba...
• Bart: Hey Otto! Hey Otto-man! Otto: Hey Bart-dude!
  Bart: Any new tattoos, Otto? Otto: Ho! Funny you should ask, man....
• Marge: What's going on? Bart: Mom, I thought you might forget our little conversation this afternoon, so I took the precaution of recording it.
  Marge: What conversation? Bart: [turns on a tape recorder] Tape...
• Bart: Otto, I'm going to leap over Springfield Gorge on my skateboard.
  Otto: You know, Bart, as the only adult here, I feel I should say something?...
• Alcohol imcreases your ability to drive." [looks up the answer] "False"!
  ? Oh, man! -- Otto studies for his driving test, "Otto Show...
• Bart: Please, Dad? If you let Otto stay, he'll help around the house and chip in a few bucks whenever he can.
  Homer: All right, he can stay. But I get to treat him like garbage....
• Bart: [reading his history book while boarding the bus] Otto
  Hey, Bart-dude! Whoa, you little freaked! [?] Ba...