RTFM is an initialism for the expression `Read The Fucking Manual` (sometimes `flaming` or another metaphor or profanity is substituted for `fucking`) or, in the context of the Unix computer operating system, `Read The Fucking Man page`. The RTFM comment is usually expressed when the speaker is irritated by another person`s question or la... Found on http://en.wikipedia.org/wiki/RTFM