The Simpsons
S10E7: Lisa Gets an A
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They're for novelty purposes only.
If a few bad apples use 'em for cheating, I can't be held responsible.
Forget it. I'd rather get a zero.
Good for you, lass.
I got me a zero once, and my life turned out just fine.
Ach! Whoa-ho!
That's a nasty clog.