Close together, crowded. Canned sardines are jammed together as tightly as practically any such object. The condition was transferred to human crowds by the late nineteenth century. Spike Milligan played with it in his poem “Sardines” (A Book of Milliganimals, 1968): “A baby Sardine saw her first submarine, She was scared and watched through a peephole, ‘O come, come, come, come,’ said the Sardine’s mum, ‘It’s only a tin full of people.’”