Wang

A slur for a massive wing mounted vehicles used to generate downforce. often seen on tuners, formula cars, himclimb cars and race cars in general.
Synonyms: spoiler, wing.
Often referred to as a "big ol' wang".
Meme originates from the game "Pixel Racer", where you can get a spoiler for your car, named "the wang".
A gif should be linked to this post.

Slab a wang on that (Nissan) skyline, and you're all set.