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What does ISYN Stand For in Internet Slang, Chat Texting & Subculture ?
For ISYN we have found 2 definitions.
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What does ISYN mean? We know 2 definitions for ISYN abbreviation or acronym in 1 categories. Possible ISYN meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Please look for them carefully.