• What does OSIS Stand For in Internet Slang, Chat Texting & Subculture ?

  For OSIS we have found 67 definitions.

• 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: