DFFmeat that has been cooked, then pressed down, and is often sold in a can 午餐肉
Examples from the Corpus
luncheon meat• These included worms, bread, cheese and meat baits, of which sausage meat and luncheon meat were the most popular.• They'd laid in for a siege with dozens of eggs, cans of luncheon meat, and tea.• He lived off squares of luncheon meat and swills of tea.• With relatives of the luncheon meathanging from the racksoverhead, the taste seemed different.