Acronym, Definition. OSS, Office of Strategic Services. OSS, Open Source Software. OSS, Open Sound System (Unix digital audio architecture). OSS, Operations. This Internet Slang page is designed to explain what the meaning of OSS is. The slang word / acronym / abbreviation OSS means . Internet Slang. A list of. 34 definitions of OSS. Definition of OSS in Military and Government. What does OSS stand for?. Posterior, buttocks, ass An intentional or unintentional mispronunciation of "ass. Sort by Rating Rating Alphabet Length. TechnologyMilitaryChirurgie spiele. Skip to main content What does OSS mean Military category? OSS [Internet]; Jul 6, [cited Jul 6]. The Free Dictionary http: Using standards-based interfaces, Juniper Networks routers and HP OpenView OSS software exchange detailed network, application and customer information in real-time, giving network operators unmatched knowledge of their network performance.