I always did say that men are callous things with no feelings, but this does beat anything. Making pigs of yourselves.
– Tennessee Williams
A Streetcar Named Desire, Scene 11. Eunice is very unimpressed by the behavior of the men playing poker in the Kowalski apartment. As she walks through on her way to see Stella and Blanche, she uses an animal metaphor to compare Stanley, Steve, Mitch and Pablo to pigs.