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A person on the opposing end.
Lame, wack, fake, fraudulent.

The opposition
I knew ole boy was an Op as soon as he opened his mouth!
by Veda.da.Diva January 17, 2018
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A snitch or nark. Came from the phrase,” Bro, somebody just opped you out!?”
That kid over there is the op, he told the principal what you did!!!! He is an OP!
by JosephTheBrosf May 03, 2018
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