過か疎そスレ

noun

dead thread; inactive thread

Internet slang for a forum or bulletin board thread that has become inactive, with few or no recent posts. Often used on 2channel-style boards.

• このスレはもう過か疎そスレだから、誰だれも書かき込こまない。

  This thread is already a dead thread, so no one posts in it anymore.

• 過か疎そスレを復ふっ活かつさせるのは難むずかしい。

  It's hard to revive an inactive thread.