noun, noun or participle which takes 'suru', intransitive verb
going up in flames; destruction by fire
Literal sense: a building or structure catching fire and burning, often used in news reports.
昨夜、倉庫が炎上した。
Last night, the warehouse went up in flames.
炎上の原因はまだ調査中
The cause of the fire is still under investigation.
noun, noun or participle which takes 'suru', intransitive verb
online firestorm; getting flamed online
Colloquial internet slang: a post, tweet, or statement attracting massive criticism and angry reactions online.
彼の不用意な発言がネットで炎上した。
His careless remark caused a firestorm online.
炎上を避けるために、表現に気をつけている。
I'm careful with my wording to avoid getting flamed.