n: the act of kicking someone while down on the ground, much like the classic "beatdown shot" seen in many pre-bling era rap videos.
Proper alternative usage includes supplanting the word "sneaker" for a particular brand of shoe or sneaker, used at the risk of excessive name-dropping.

When someone thinks they are the main character of their life. Usually comes with a side of individuality complex, quirky style and a self centered point of view.