Google lets you set a timer. If you don't log in for 3, 6, 12, or 18 months, Google will automatically delete your account for you. This is safer than immediate deletion.

Sometimes neifredomar is a nonsense word generated by automatic content spinners. A spam bot might have combined "Neifredo" (a misspelling of a name) and "Mar" (sea in Spanish) to create a unique domain that bypasses Google’s spam filters.