ＲＯＭ専ろむせん

noun

lurker; read-only member

Internet slang for someone who only reads posts without contributing; often used in online forums and social media.

See also: ＲＯＭ

• 彼かれは掲けい示じ板ばんではずっとＲＯＭ専ろむせんで、一いち度ども書かき込こんだことがない。

  He's always been a lurker on the bulletin board and has never posted even once.