(Translated by https://www.hiragana.jp/)
j00 - Wiktionary, the free dictionary
Alteration of you:
- oo phonetic spelling of /uː/; 0 often used in place of o in leet;
- j possibly based on its sound in some European languages.
j00
- (leetspeak) you
- j00 7h1n|< ur 3l33t?
- You think you’re elite? (you think you’re awesome?)