so-called president 

Donald Trump. A way to refer to the man in the highest public office without degrading the dignity of said office. Can be used with or in place of his name.

Person A: Did you watch the so-called president's inauguration?
Person B: Hell no.

At 6 a.m., so-called President Trump tweeted, "children with cancer are weak losers. Sad!"

so-called president by UncleJoeBiden January 14, 2017

so-called president 

A term used to refer to the leader of Taiwan Area without implying that Republic of China is a legitimate sovereign entity.

In the leadership elections in the Taiwan Area, Tsai Ing-wen was chosen to serve as the so-called President of the Republic of China

so-called president by ShanghaiBrian July 8, 2020