I.out [美 aʊt, 英 aʊt]副out often appears as the second element of certain verb structures in English (come out, keep out, knock out, etc). For translations, see the relevant verb entry (come, keep, knock, etc).
Not that a football would flake out when stacked with a couple tons of highly paid head-busters, but that another layer of meaning could emerge from a common object.