Admiral Slaughter: When I look at you, I no longer see students. I see seamen. From the moment you came onboard, I saw seamen inside of you. More importantly you've stopped laughing at the word "seamen" which is the mark of a true seaman.
Jeff Winger: It's the ultimate blow-off class. This class is like a redhead who likes to drink and watch Die Hard. I suggest you get her number.
Answer: His attempt to "kill" Jeff was to roll at him as an iPad on a stick. He knew it wouldn't work, but it played to the story that he was a killer as he knew Jeff would tell people about it, or attempt to retaliate for it.