Involves no penile or vaginal contact. It requires you getting naked. Okay, I lied, it requires penile contact. You do a leapfrog, but you're both naked, and the guy leapfrogs over the girl, and the penis drags all along the backside of the girl.
Jeon Jungkook has a perfect example of a bunny smile. He even looks like a Bunny
A Bunny smile is when a person has their two front teeth, a little ( or a lot ) bigger than the average size, causing them to look like a bunny. So when they smile, they have a "Bunny Smile"
A little pest who likes to burst into your room while your doing homework, or playing on your phone. They like to hit you, then like a little bitch, they tell your parents when you hit back. In other words...they are annoying. They are so annoying they make you feel like banging your head against the wall so hard you lose all your brain cells.
You: *on your phone*
Younger sibling: *bursting into your room and runs up to you* Hey!