So, you bought a barbell and nothing else. You are wondering what you could do for your lower body with just a barbell. Well, there are two main exercises - Romanian deadlifts and Jefferson squats. In this post I will focus on the Jefferson lift because most of you have never heard about it. It's pretty simple and looks like this. The feel is very similar to a squat/deadlift hybrid.
Another option is a barbell hack squat: