Janmentia
To be completely unaware and oblivious to the point you forget something, (often important details) with such severity that it appears to be wiped from the person's memory
GF: Did you cover the logs we use for firewood in the yard? It would be a shame if they got wet.
: the what now?
GF: Ah... it seems you have Janmentia dear, you need that checked.
: the what now?
GF: Ah... it seems you have Janmentia dear, you need that checked.