the.com/fixture
Something so permanently parked it's basically furniture with legal paperwork.
means A thing fastened in place, or a person or event so regular they feel built-in.
from From Latin fixus, fastened, with a nod to fixed via the Middle Ages — anything literally or figuratively nailed down.
Property lawBolt it down and it sells with the house.
Sports senseIn Britain, a fixture is a scheduled match.
Human versionThat regular who never leaves your local pub.