I hate it when I give bad information. I feel guilty, even after I correct my mistake. The other day a friend called and wanted to know if inner office should be hyphenated. I said, incorrectly, that since inner was a prefix, it should be closed up, inneroffice. I was thinking interoffice and intraoffice, so why not inneroffice? No, inner is an adjective, so it stands alone before a noun (unless it appears different in your dictionary of choice).
My friend then admitted she has used inner office as a verb, as in, I inner officed the email. I told her you can make a verb out of any noun, and since it was an informal email, it was ok.