sister complex; excessive attachment to one's sister
Abbreviation of シスターコンプレックス. Used colloquially to describe someone with an unusually strong emotional attachment to their sister, often with a slightly negative or teasing tone.
See also: シスターコンプレックス
He has a sister complex, so apparently he gets angry when his sister gets a boyfriend.
Abbreviation of システムコンポーネント. Refers to a stereo system made of separate components. This usage is dated and now rare, as the term コンポ is more common.
See also: システムコンポーネント
Back in the day, buying a component stereo system was a status symbol.