YSS

AcronymDefinition
YSSYouth Support Services (various locations)
YSSYouth Services Section (New York Police Department; New York, NY)
YSSYou Suck Severely
YSSYouth and Shelter Services, Inc (Ames, IA)
YSSYou're So Slow
YSSYanic Simard Selected (Toronto Interior Design Group; Toronto, Canada)
YSSYou're So Sweet
YSSYou're So Smart
YSSYoung Spectroscopist Symposium (South Africa)
YSSYemeni Student Society
YSSYaw Sun Sensor