expression, noun-modifying (irregular)
far-out; groovy; flipped out
Colloquial, dated slang from the 1970s–80s describing someone or something as eccentric, wild, or unconventional. Often used in a lighthearted or admiring way.
彼は翔んでるファッションでパーティーに現れた。
He showed up at the party in a far-out outfit.
あの翔んでるアイデア、誰が考えたの？
Who came up with that groovy idea?