This term is used by companies that offer subscription services to clients for example, telephone carriers, Internet service providers, and hosts. It is a measure of the revenue generated by one customer phone, pager, etc., per unit time, typically per year or month.
filch. vb. 1. (tr) to steal or take surreptitiously in small amounts; pilfer. [C16 filchen to steal, attack, perhaps from Old English gefylce band of men].
Vulcher. (N)- one who hovers around a peice of equipment that is currently occupied by another in hopes of using the aforementioned equipment the minute the current user is finished. Most frequently used in cases of gym equipment.