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1.
Screenshot or it didn't happen.
TrollQQ: "I was in Halaa and 4 rogues and 6 NE hunters with 2 NE priests and a few NE warriors came unstelthed on me :("
LevelOneAlt: "SSOIDH"
by Ox2bad March 14, 2007
 
2.
Acronym for "Screenshot or it didn't happen." Used in the gaming world (World of Warcraft) to denote doubt that a certain event occurred. Furthermore, proof that said event happened is demanded by the speaker in the form of a visual screenshot of the event taken from the computer's monitor.
"ZOMG. Majordomo Executus just dropped the Core Hound Tooth!!!"

"SSOIDH"
by Slake November 29, 2006
 
3.
Acronym for "Screenshot or it didn't happen." Used in the gaming world (World of Warcraft) to denote doubt that a certain event occurred. Furthermore, proof that said event happened is demanded by the speaker in the form of a visual screenshot of the event taken from the computer's monitor.
"ZOMG. Majordomo Executus just dropped the Core Hound Tooth!!!"

"SSOIDH"
by Slake November 14, 2006