What does 翻る mean?
翻る is a Japanese verb meaning “to billow” in English. It can also be translated as “to turn over, to suddenly change (attitude, opinion, etc.)” depending on context. It is written as 翻る in kanji, ひるがえる in hiragana, and hirugaeru in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
ポニーテールが翻って思わず見とれる仕草だ。
The way she flips her ponytail will charm you before you realise it.