Red Solo cups
If you're still drinking out of red Solo cups in the real world, you might as well be drinking out of a sippy cup or baby bottle. Seriously, if this is still your go-to for dishware, you may want to look inward and take our trainwreck quiz. You've been living off GrubHub and caf food for the past four years, but it's time learn how to wash a dish.
[Photo via @solocup]