RTFYC 

From Fark headline about Japanese workers using encrypted yellow cards to insult their bosses

Read the Farking Yellow Card

Japanese toy company unveils "yellow cards" with cryptic abbreviations that young people can use to freely insult bosses and elders without their knowledge. RTFYC

RTFYC by Debeliot December 15, 2008

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

rtfgcbveydhxnwusjzmqiakolp 

The sign that you are cunning and you have used epic skill to outwit every other bored person on earth other than the person who is writing this. This was either found by random typing or by absolute cunning in a strategy that you now know.

I used epic skill to find rtfgcbveydhxnwusjzmqiakolp in the urban dictionary!

rtfgcbveydhxnwusjzmqiakolp by Bunnies rule! April 5, 2021

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

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

rtfgcbveydhxnwusjzmqiakolp 

If you have found this you have used epic skill and have outwitted every other bored person on earth other than the person who is writing this. This word can be found through epic skill or random typing through a strategy you now know.

I used epic skill to find rtfgcbveydhxnwusjzmqiakolp in the urban dictionary!

rtfgcbveydhxnwusjzmqiakolp by Bunnies rule! April 5, 2021

rtfy 

An acronym for "Read the Forum, Yo."

Dude, I posted that a month ago. RTFY.

rtfy by deansauce November 9, 2006