To be screwed over by someone.
To be undermined by a scrupulous person.
Someone who takes advantage of anothers misfortune.
Someone who misleads people by deception.
Man, i heard that bloke got rennicked the other day.
I can't believe it !, she actually rennicked that poor guy and he did nothing wrong.
It was a case of wrong place, wrong time...if they did the right thing, then there's no way of being rennicked