Perhaps it depends on the type of plastic, since they say it sticks hard to some plastics, but...
At least 15 years ago, I had severed the shower hose and stuck it into a threaded joint. Then applied Gorilla glue. No leaking. I just started to tear it apart, then noticed it could be unscrewed from the threaded joint. The thing is ugly, but the threading is neat, apparently because there was compression in that area...