It's not how you pick your nose, it's where you put that booger that counts.
And they're also very good at math, these super boogers, and so they teach Billy the ways of mathematics.
Keep your nose to the grindstone. It sharpens your boogers.
I have a 10,000-year-old brain and the boogers of a 7-year-old. That's how I describe myself.
I'm scared of boogers. If anyone ever showed me a booger I'd smash their face in.