General terms:
* Undercut: This is the most common term for any hairstyle with shaved sides, regardless of the top hair.
* Shaved sides: This is a more descriptive term.
* Side shave: Similar to "shaved sides", but sometimes used specifically when a larger portion of the side is shaved.
More specific terms:
* High and tight: Sides are shaved very short, and the top is usually buzzed short as well.
* Fade: The hair is gradually faded from the shaved sides to the longer top hair, creating a smooth transition.
* Mohawk: The sides are shaved, and the top is styled into a strip of hair running down the center of the head.
* Quiff: The sides are shaved, and the top hair is styled into a short, voluminous pompadour.
* Pompadour: The sides are shaved, and the top hair is styled into a long, voluminous pompadour.
* Comb over: The sides are shaved, and the top hair is combed over to the longer side, usually covering the shaved areas.
Ultimately, the specific name for a hairstyle with shaved sides depends on the overall look you're going for.