Student: You know how you said we only had to do 7 problems for homework?  I did NINE!
Me: Wow, good for you, you're such an over achiever!
Student: I'm an oral achiever?
Me: No, an OVER achiever.
Student: *stands up, waves arms over her head* I'm an oral achiever, I'm an oral achiever!
Co-teacher: *anxiously making slashing motions at his throat*