BBA (ババア) Japanese meaning | KotomoraBBA
also: ビー・ビー・エー · ビービーエー
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.
Etymology
Internet slang abbreviation from the reading ババア, using the initial letters B, B, A.