meat verb ▶ be on a meat-free diet to be a lesbian UK A euphemism formed on MEAT
“She’s on a meat free diet, that one,” she said. I told Gladys I didn’t understand why the caretaker’s vegetarianism was worthy of a mention. “No, she’s a lesbian,” said Gladys. — Kitty Churchill, Thinkingof England, p. 211, 1995