RTFC 

Used when a person gets their hands on code and doesnt know what it does. Hint "Read the Fucking Code"

<Zook> Heres the exploit
<Annonymous> What does it do?
<Zook> rtfc :/

RTFC by z00k July 27, 2005

RTFC 

Read The Fucking Card

Popular among gamers and used as an insult towards someone who doesn't understand what their own cards do when played.

I'll block with my Goblin Raider.

Goblin Raider can't block.

Says who?

RTFC, dipshit.

RTFC by Yawgmothguy November 11, 2004

RTFC 

Read The Fucking Code.

Dude Max, I was having trouble with the Java AWL classes in my program that I'm writing and the bouncy balls are all over the screen and this is supposed to be eyecandy damnit! I have RTFM many times over!! Well Bill, I suggest you think outside the box. RTFC!!!

RTFC by chas1980 April 14, 2010

RTFC 

Read the fucking comments, variation of RTFA. Used if a question already has been answered earlier in the comments of an article.

person 1: hey, where did you buy that shirt?
person 2: rtfc, i already answered that question.

RTFC by Cine June 16, 2008

RTFCL 

Read The Fucking ChangeLog

Variation of RTFM, adjusted like that after Opera 10 alpha was released and everyone asked questions that were already answered in changelog

<white_eagle> and the names of the chat accounts not appearing?
<LarsKL> RTFCL

<werwolf> encoding is broken in html-emails
<Mitchman-> werwolf: RTFCL.

RTFCL by timsp December 16, 2008