https://en.wikipedia.org/wiki/Confabulation
Here's picture from 100+ years old Latvian dictionary with translation.
Confabulation (from Latin confabulari, “to chat, to tell stories”) is a peculiar, fantastical depiction of things and events arising on the basis of memory disturbance, which is not founded on reality. Confabulation is a specific pathological symptom of mental activity. It is observed when the brain is damaged due to some pathological process (arteriosclerosis, alcohol, infection, etc.). In such cases the patient loses memories of many things, and the empty spaces are filled with material that is often “taken from the air.” The patient himself is usually unaware of this, which distinguishes confabulation from ordinary lies.
Is that like Bullshit?