What does this mean?

[v0031]

Give a cold shoulder
Meaning: Being unwelcoming or antisocial toward someone

Origin: In medieval England, it was customary to give a guest a cold piece of meat from the shoulder of mutton, pork, or beef chop when the host felt it was time for the guest to leave. This was a polite way to communicate, “You may leave, now.”

肩膀？