-0r in English dictionary -0r Meanings and definitions of "-0r" (Internet slang, leet, nonstandard) General-purpose suffix for purposes of "leet" respelling, sometimes replacing -er or -or. Suffix (Internet slang, leetspeak, nonstandard) General-purpose suffix for purposes of "leet" respelling, sometimes replacing [i]-er or -or.[/i] more Sample sentences with "-0r" Declension Stem Try again Authors