hackerish

adjective2

1. •
   (informal) Resembling or characteristic of a hacker (technically skilled computer enthusiast).

   • The hackerish look of dot-matrix fonts on screens and printers has partially prevented full acceptance of computers as tools for a literate public. — 1985
2. •
   (informal) Resembling or characteristic of a hacker (malicious user who breaks into computer systems).

   • ...requires users to disclose new and useful information on computer and network security or other hackerish subjects to be admitted to the privileged areas of the system. — 1995