鍵垢 かぎアカ Also written 鍵アカ Meanings Noun private account (on social media, esp. Twitter); account that can only be viewed by approved followers See also: 鍵アカウント (かぎアカウント). Kanji 鍵 key. Read as かぎ. 垢 grime. Read as あか. Word lists Internet slang Jinuma: Japanese Dictionary · Word lists