Marcossed

Something that was stolen; illegally acquired; used without permission from owner.

Origin: Taken from the name of ousted Philippine President Ferdinand Marcos who is holds a Guinness World Record for largest theft by a by a government. Various courts in the Philippines and the US have asked the family to return the ill-gotten wealth and to this day deny its existence.

Where did you get that Picasso?
I marcossed it from my old office.