when one side of the relationship asphyxiates the other by befriending every social contact, frequenting all the same locations, stalking online and ignoring repeated attempts of the victim to flee.
usually performed from behind as the victim didn't realize the relationship even existed, because there was only one social interaction
steve: so, are you and that chick dating now? she's all over your facebook and keeps showing up at our bar.
bob: no, we slept together once, and now i'm trying to break out of the hold.
steve: break out of the hold?
bob: yeah, strangulationship.