Flaming Liberal 

Any Democrat/Liberal.

Look at those flaming liberals on TV all they do is whine.

Flaming Liberal by The real Soulja BOY September 16, 2006

Flaming liberal 

Syonomous with virtue signaling, in the sense of making a show of being phony about one's convictions.

The flaming liberals of Martha's Vineyard rushed to greet the undocumented migrants dumped on their doorstep.

Flaming liberal by Hugh Jorgan, Sr. November 11, 2022