It is internet slang or an acronym for off to bed.
CaptainYummy: yo guy
awsumtastic: sorry, otb
CaptainYummy: okay gnite, nao that i think about it.. i should go otb aswell!
awsumtastic: kk otb!
by Philian March 25, 2008
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on the bus ... or out this bitch what everone
friend: wyd
me: otb hbu
by imbrokeashell October 30, 2020
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"Only the black" — someone who is solely attracted to black men/women
White guy: "I would try to hook up with her, but she's otb now.."
by Not Hali October 7, 2015
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one tough bitch. Basically, any girl that has you whipped and is hard to please or satisfy... They're PMSing 24/7
"Man, my girlfriend is an otb, straight-up."

"Yea, she's got you by the balls."

by apkfreshie March 11, 2009
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On the bright side: As when describing a situation's "silver lining" or the hidden good in an otherwise negative scenario.
Statement: "I didn't get a tan on vacation!"
Reply: "Oh well, OTBS, you won't get skin cancer!"
by mspcuda March 10, 2011
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Short for On The Ball , a term widely used in soccer describing a player who is efficient and professional. Also used to describe anyone similarly alert , and can be used to describe someone who is attractive or intelligent.
As in "Pele was always otb" or "Man,she's otb"
by Big Gazza WMD December 2, 2005
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Otb meaning off da boat the coolest russians you will ever meet. They can make fun of gay americans and wear european clothes that are sexy. They can afford more than any american will want
That OTB kid is hot!
by Daniella<3JJ April 30, 2005
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