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5. OTK
over the knee - as in boots that rise above the knee.
Traditionally thought of as racy and kinky, this fall (2009) the mainstream shoe stores are well stocked with OTK boots.
1. OTK
Stands for "over-the-knee spanking." It comes from a subculture known as BDSM, SM, or S&M. It is usually used by a Dom/Domme to punish a sub (or, depending on which way you look at it, arouse a sub). Pretty much self-explanitory; a spanking given while the sub flipped over the Dom's knee, much like you would spank a child.
sub: "N-n-no Sir!"
Dom: "What? 'No, Sir?' --get over here for an OTK!"
2. OTK
over the knee, as in spanking
-Daddy, I don't want to do that right now.
-Do what I say bitch, or you're getting an OTK spanking!
by PF Neville Feb 23, 2004 add a video
3. OTK
Out To Kill. A dangerous gang originating in Mont Albert.

The gang was formed by OG Richard Dong (aka Ricky D)
John Lee:... fuck you
Ricky D: I'll get OTK on you
John Lee: Whoah relax man
4. OTK
An infamous krew in Victoria that stands for out to kill.
Where have you been?
With OTK kacoking
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