What does the slang term "bogus" mean?

The term "Bogus" means fake. The word bogus originated in the U.S. It was coined as a name for a machine that printed counterfeit money and later became a trademark term among California surfers. A "bogus dollar" bill is counterfeit, a "bogus Picasso" was not painted by him, and a "bogus attempt at reconciliation" would come from someone who never intended to end a fight.

Source: Vocabulary.com