also: ちゃらお
noun
shallow playboy; frivolous lad; good-time Charlie
Slang term for a young man who is flashy, superficial, and focused on having fun, often with a playboy attitude. The female equivalent is チャラ子.
See also: チャラ子
あのチャラ男はいつも女の子に声をかけている。
That shallow playboy is always hitting on girls.
彼は見た目はチャラ男だけど、実は真面目なんだ。
He looks like a frivolous lad, but he's actually serious.
Female equivalent: a shallow, flashy young woman.
Compound of チャラ (from チャラい, 'flashy, superficial') and 男 (おとこ, 'man'), with the reading お for 男. The exact origin of チャラい is uncertain, but it may be related to onomatopoeic or mimetic words suggesting lightness or frivolity.