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.
Part of the Operating systems glossary: Thrashing is computer activity that makes little or no progress, usually because memory or other resources have become exhausted or too limited to perform needed operations.