a FOB graduate student that cannot afford graduate school, so they help teach an undergraduate college class in exchange for free tuition.
They are often very knowledgeable about the topic that they teach, but are absolutely incompetent when it comes to teaching it due to their inability to speak to speak English fluently.
teaching assistant: ok, I wecmnd you use matrab, na mapre. if use mapre, open de sheet, and you see de sheet, and you type commands. I herp if you need herp.