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
He's been a computer enthusiast since childhood and has built several custom PCs.
This new OS is a hot topic among computer enthusiasts.
Variant with interpunct; less common but still seen.
Wasei-eigo (Japanese-made English) from 'computer' + 'mania', meaning a computer enthusiast or hacker.