Everything I Need to Know About Cosmology I Learned in Four Years of Ninth Grade

Teen girl: Is the universe, like, the whole world or just the United States?
Guy: Dude, it's, like, everything in existence.
Ghetto guy: Nuh-uh! It's just like a group. Our universe is the Milky Way.
Guy: You're an idiot. It includes the Milky Way, but that's not what it is.
Ghetto guy: I went to four years of high school. I think I would know.

--M96 bus

Overheard by: Treesha