Black diarrhea from internal bleeding is really black. It is not brownish or blackish. The consistency of black diarrhea from internal bleeding is like that of actual tar, the dark thick flammable liquid used in road making.
Ghosting (identity theft), a form of identity theft, whereby a person takes on the identity of a deceased person. Ghosting (incarceration), repeatedly moving a prisoner through different institutions to avoid scrutiny, or because the prisoner has become unmanageable.
While many people think the term comes from the movie...the movie was inspired by the term. Catfishing meaning creating a false social media profile usually using other people's photos to lure others into online relationships. This can be a woman pretending to be a man, an older person pretending to be younger, or any other possibility.