コンピュータマニア

noun

computer enthusiast; hacker

Refers to someone deeply passionate about computers, often with technical skill. The English gloss 'hacker' can carry both positive and negative connotations; in Japanese, this term is generally neutral or positive, emphasizing enthusiasm rather than malicious intent.

wasei-eigo (Japanese-coined English), from computer mania

• 彼かれは子こ供どもの頃ころからコンピュータマニアで、自じ作さくPCを何なん台だいも組くんでいる。

  He's been a computer enthusiast since childhood and has built several custom PCs.

• コンピュータマニアの間あいだでは、この新あたらしいOSが話わ題だいになっている。

  This new OS is a hot topic among computer enthusiasts.