pink slime

Short definition from Wiktionary

Noun

1. 1
   An undesirable pink-colored microbial mass occurring in the slurry used in making paper.
2. 2
   A meat byproduct produced from scraps by heating and then treating with ammonia to produce a food additive.
3. 3
   Low-quality, mass-produced internet content, especially AI-generated.
4. 4
   Used other than figuratively or idiomatically: see pink, slime. Slime which is pink.