RTFA = Read The Fuçking Article
It's a derivative acronym of RTFM (Read The F***ing Manual). This instruction is given in response to a question when the person being asked believes that the question could be easily answered by reading the relevant "manual" or instructions.
Hence, RTFA... It's often replied in Digg (etc) to questions when the person being asked believes that the question could be easily answered by reading the relevant article.
There are many derivative acronyms of the form "RTF*", where '*' is the appropriate source of information. These include "RTFC" (Read The F***ing Code), "RTFFAQ or "RTFF" (Read The F***ing FAQ) and "RTFW" (Read The F***ing Wiki or Walkthrough). Other geek acronyms of interest are GIYD (Google It You Dumbass) and JFGI (Just F***ing Google It).
PS: Don't get too groggy on the "F", because it isn't supposed to be that rude. If it says RTA, no one understands the acronym
