An abbreviation with multiple definitions, most commonly "off-topic" on forums and message boards. Why this term is used when "on topic" would have the opposite meaning yet the same abbreviation, nobody is quite certain.
This may be OT, but have yu guise seen this image?
by Tozoku September 07, 2007
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Off The Spectrum. Kinda like Off The Hook, or Off the Snuggies, but better because it's Spectrum. Usually refers to the visible light region of the electromagnetic spectrum.
This party is OTS!
by wizrdry June 10, 2009
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OTS - OAK TREE SYNDICATE

A Sacramento/Bay area crew that is known to beat the living hell out of people for disrespecting them or looking at them in a weird way.

They also vandalize people's homes who disrespect their friends or their family in any way.

They are seen in, Sacramento, Napa, San Francisco, San Diego, Walla Walla Oregon, Detroit, and Los Angeles
"LOOK, IT'S THE OTS... LET'S GET OUT OF HERE BEFORE THEY BEAT THE LIVING HELL OUT OF US"

"HEY OTS KID.. YOUR MOM IS FAT!" *OTS KID STANDS UP AND KICKS HIS FACE INTO A CURB WITHOUT SAYING A WORD*
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Darren and me and our people are all the ots
by it's December 13, 2014
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