What is an alternative meaning for WTF?

We probably all know what the "F-Word" is. The most common meaning these days for the slang term and abbreviation "WTF", is "What the [F-word]?" This is offensive language to many people, and therefore, considered to be a rude remark and should not be used in polite communications.

There are alternate uses of this as an acronym for different groups, etc. which were named long before the current common slang usage of this three letter abbreviation. For some information about a few of those different uses of "WTF", see the link to the WikiPedia article below in the related links section.