Gone Blue 

To go blue is to go through a depressive period in one’s life. If someone who was generally happy begins to struggle with depression or hardship you can say they have “gone blue.”

Had to get Randy some help. Looks like he’s gone blue.

Gone Blue by Blue2th January 25, 2023

gone off blue cheese 

When you leave blue cheese out for too long and it goes rotten.

The gone off blue cheese tastes like mold.

gone off blue cheese by Debskelly1985 March 25, 2023