While there is no official definition for the term, Blue MAGA has been used to describe those who are fierce advocates of the so-called “vote blue no matter who” initiative and are not willing to criticize Democrats in any way.
The term has also been used for Biden supporters who have pushed misleading comments, or attacked the media, while defending the president. The suggestion being this unbridled support is more commonly associated with Trump’s loyalist MAGA following.
It’s not a thing. It’s just the difference in having only two choices: one is a nightmarish hellscape that will destroy this country, and the other is not that. It’s pretty fucking simple.