JMdict: 1281480

あらす 【あらす】

1. [v5s,vt] to lay waste; to devastate; to damage
2. [v5s,vt] to invade; to break into
3. [v5s,vt] to troll (e.g. web forums); to spam

Words often seen with this one: (experimental feature)

まで (23), 金太郎 (15), この (14), 前巻 (13)