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What does FBOS Stand For in Internet Slang, Chat Texting & Subculture ?
For FBOS we have found 13 definitions.
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What does FBOS mean? We know 13 definitions for FBOS abbreviation or acronym in 4 categories. Possible FBOS meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Please look for them carefully.