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What does OSIS Stand For in Internet Slang, Chat Texting & Subculture ?
For OSIS we have found 67 definitions.
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What does OSIS mean? We know 67 definitions for OSIS abbreviation or acronym in 7 categories. Possible OSIS meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Please look for them carefully.
OSIS Stands For:
Rank | Abbreviation | Meaning | |
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***** | OSIS | Oh Shoot, It's Sunday |