also: ビー・ビー・エー · ビービーエー
noun
Derogatory internet slang for an older woman, equivalent to ババア used in online communities. Strongly pejorative; avoid in polite conversation.
See also: ババア
ネットで知らない女の人をＢＢＡって呼ぶのは失礼だよ。
It's rude to call a woman you don't know online a hag.
I laughed when I saw someone called an old bag in that thread.