Spiky hair is still a thing and can look great when done right, the problem is most guys that attempt to pull it off do it wrong and end up looking like a mess from the early 2000's.
The proper way to style your hair spiky in 2017 is with MATTE SPIKES. Meaning using men's styling products that ARE NOT gels, but a waxes and pomades and specifically state they're a MATTE wax or pomade.
What these products do is give you a nice texture and hold without making your hair look wet and greasy like a regular gel product. Your hair also won't harden and flake with a matte product. Here are some examples of spiky hair done right in 2017.