The most beautiful and amazing girl you will ever meet. She has an amazing voice, is smart, and is very asian. Never pass up a chance to ask out a Peilin. You won't regret it!
Dude: OMG it's Yihong!
Fam: Yeah holy crap! Yihong is so amazing. I'm gonna ask her out!
A Yilong is the longest base unit in the Chinese System of Units. If something is Yilong it is almost unreallisticly large. Countries have adopted this definition by the great flood of Chinese who decide to study elsewhere in the world, specializing in Mathematics, Economics and or Physics.
Yilong is also used in a proverbs.
When you hear somebody say: "How long is a Chinese?", you'll notice the answer is often "Yilong".