What does SS stand for?

What does SS mean?

SS	Special Surface Business » Products
SS	Sprocket Specialist Business » Positions
SS	Seam Sealed Miscellaneous » Clothes
SS	Straight Shootin Community » Law
SS	Secret Sister Internet » Chat
SS	Super Sayian Miscellaneous » Science Fiction
SS	Smart Source Business » General
SS	Short Sell Business » Stock Exchange
SS	Stuart Surridge Community » Famous
SS	Silent Strike Governmental » Military
SS	Super Surf Internet
SS	Single Sounds Internet » Chat
SS	Sideshot Governmental » Military
SS	Special Shot Governmental » Military
SS	Structure Server Business » Products
SS	School Section Community » Schools
SS	Systems Summary Governmental » Military
SS	System Supervisor Governmental » Military
SS	Script Source Computing » General
SS	Special Sport Community » Sports
SS	Sore Shoulders Medical » Physiology
SS	Semi Slick Governmental » Transportation
SS	Slatanic Slaughter Community » Law
SS	Stocking Stitch Miscellaneous » Clothes
SS	Specific Symbol Academic & Science » Mathematics