techno cut
A men's hairstyle popular in Japan, featuring straight, angled hair above the ears and a tapered neckline. Wasei-eigo; not a standard English term.
When he got a techno cut, he looked much sharper.
90年代にはテクノカットが若い男性の間で流行った。
In the 90s, the techno cut was popular among young men.