The phrase "complete sham" means that something is completely fake or untrue. It is used to describe a situation, event, or person that is misleading or deceitful. Full definition
What happened to the the contract signed by his agents, him and Liverpool regarding the 40 mil buyout clause?Completely ignored by all parties including the football league when Liverpool said b ******* to it.A complete sham. (justarsenal.com)
That investigation concluded it was a fraud, complete sham of a dating site and essentially a total rip - off. (datingbusters.com)
It's a complete sham that he has even been offered one. (justarsenal.com)