垢

• Reading: あか
• Romaji: aka
• Kanji breakdown: 垢 literally means 'dirt/grime' but is used phonetically for アカウント (account) because of the shared アカ sound
• Pronunciation: /a.ka/

Meaning

Account — internet slang abbreviation for アカウント, used for social media and gaming accounts.

Using the kanji 垢 (literally 'dirt/grime') as a phonetic shorthand for アカウント (account) based on the shared sound アカ. Extremely common on Japanese social media, where users frequently refer to their 本垢 (main account), サブ垢 (sub account), and 裏垢 (secret/private account). The term extends to gaming accounts as well.

Examples

1. サブ垢作ってリセマラしてるんだけど全然出ない。 I made an alt account and I've been rerolling, but I can't get anything.
2. メイン垢のパスワード忘れてログインできなくなった。 I forgot my main account's password and now I can't log in.
3. 趣味用の垢を別で持ってる人多いよね。 A lot of people have a separate account just for their hobbies, right?

Usage Guide

Context: social media, gaming, internet forums

Tone: casual, conversational

Do Say

• 裏垢バレるの怖いわ (I'm scared of my secret account being discovered)
• ゲーム用の垢別に作ったほうがいいよ (You should make a separate account for gaming)

Don't Say

• 公式の場やビジネスでは「垢」ではなく「アカウント」を使う (In official or business contexts, use アカウント instead of 垢)

Common Mistakes

• Using 垢 in formal writing — it is strictly casual internet slang, not appropriate for professional contexts

Origin & History

Slang abbreviation for アカウント (account), using the kanji 垢 (dirt/grime) as a phonetic match for アカ. Emerged on 2ch and internet forums in the 2000s.

Cultural Context

Era: 2000s internet culture (2ch era)

Generation: Internet users (teens-40s)

Social background: Internet-savvy users

Regional notes: Used across all of Japan in online contexts. One of the most common internet abbreviations in Japanese.