らす
arasu

Godan Verb (su)

1. to lay waste; to devastate; to damage

Transitive
にわらしたのはだれだ。
niwao arashita nowa dareda.
Who destroyed the garden?
Godan Verb (su)

2. to invade; to break into

Transitive
かれらはわたくし果実かじつえんらした。
karerawa watashino kajitsuen'o arashita
They robbed my orchard.
Godan Verb (su)

3. to troll (e.g. web forums); to spam

Transitive
Colloquial
Computing
掲示けいじばんらすひと精神せいしん状態じょうたいがわかりません。
kējiban'o arasu hitono sēshinjōtaiga wakarimasen.
I just don't understand what goes through the minds of people who troll forums.
Other forms: