拉风 is often an adjective in Chinese. It means someone is fashion sexy charming attractive or everything like that. It always expresses the appearance of a person. Maybe you can imagine that this guy is cool so much so that the wind(风) had been draged(拉) along him.

means sth. is pretty cool or brilliant

cool

拉风：meaning is cool.

if you say some one is “拉风”,that means he is very cool, fashionable and charming.