My balls are so purple that I use them as crayons, and I am not talking about the balls you play with. I am talking about the boy balls.
Purple Balls
Explanation
Explain Bear
Listen up, buttercup. This person is saying their "balls" (ya know, their private parts) are so purple they can use them as crayons. It's supposed to be shocking and gross, which is the point. And you, my friend, probably think boogers are a delicacy.