Off The Radar. When some-one turns off their mobile, laptop etc. To ensure that they are not contacted.
Person 1 " I couldn't get hold of you on your mobile at the weekend"

Person 2 " Yea I know, I didn't want my ex to call. So I went OTR."
by Mini Ritz January 21, 2011
Top Definition
Abbreviation for "On the Rag"
She is OTR permanently.
by Andy July 22, 2003
"On the real"

An attempt to segue from a state of joyous ROFL to one a bit more serious, with a hint of IRL connotation
"...LOLZ, george washington was the man...

but OTR, what are we doing for New Year's?"
by lingeringlogic December 30, 2008
On The Rocks. Where all the summer thotties are taken on Cape Cod to be capitalized on.
A: Do you want to just chill at the frat today?
B: Yeah that sounds good but we need plans for the night.
A: Okay let's just go to the thot spot and pick up some bimbos to bring OTR

B: Damn straight bruh
by Dhal9917 July 09, 2014
a brand of german markers designed for writing grattiti with broad tips and super permanent ink

abbreviation for "on the run"
man my new OTR flows like your moms period
by ca11_to_arms October 11, 2006
On the road.... when you can no longer text because you are driving .
I am OTR.
by ppattibpatt March 04, 2015
1.) on the rag (on her period)
2.) exhibiting bitch-like behavious
guy 1: damn!! bro, that girl is a bitch!!
guy 2: yeh man i bet she OTR!
by knojnoj February 13, 2015
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