ＦＦ外失 エフエフがいしつ Also written ｆｆ外失 Meanings Expression apologies for tweeting to you without either of us following the other (Twitter jargon; abbr. of ＦＦ外から失礼します) Kanji 外 outside. Read as ガイ. 失 lose. Read as シツ. Word lists Internet slang Jinuma: Japanese Dictionary · Word lists