On The Low-something that's a secret or supposed to be kept a secret
"Tom do you have a girlfriend?"
"No but I like Tatiana otl"
by Zoe pitterney October 28, 2014
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In Alternate History Fictions, "OTL" stands for "Our Time Line"
Operation Barbarossa failed in OTL, but what if Hitler had attacked sooner, listened to his generals, and equipped his soldiers with winter gear?
by Cicco June 20, 2005
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OTL is an abbreveation for Out To Lunch, used in work environments
Marc - Hey Jim, I'm going OTL, take over.

Jim - Ok.
by spazzzzzzzzzzzy June 7, 2005
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She's so excited, her OTL is coming this weekend.
by Rachaeljack October 31, 2005
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Assrape. A purely American twist on the Korean "OTL". OTL=8 was first used in the suburbs of San Diego, CA.

See: 8=JTO
Fuck, that test sucked balls. OTL=8.

Dude their football team just OTL'ed us today.

Oh shit I just lost my keys. OTL=====8.
by ignacious d December 15, 2008
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On the low- secretive, not a big commotion
I'm just trying to keep the relationship otl bro
by ARI:) May 4, 2017
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