That's so homeschool
A phrase describing an event, action, or comment so socially awkward that it merits the label of "homeschool" in recognition of being king-of-the-awkward-silence-hill.
Normal Kid: (spontaneously) "Hello. My name is Inigo Montoya. You killed my father. Prepare to die."
Normal Kid #2: (laughing) "Inconceivable!" So good man. We should watch that tonight.
Closet Homeschooler: What are you guys talking about?
Normal Kid: Seriously?
Normal Kid #2: That's so homeschool.
Normal Kid #2: (laughing) "Inconceivable!" So good man. We should watch that tonight.
Closet Homeschooler: What are you guys talking about?
Normal Kid: Seriously?
Normal Kid #2: That's so homeschool.