Actually it is Reverse Titty Fuck With Ball Gobble.
As in you are thrusting your penis in between a girl's breasts in the less common direction of away from her face so that your testicles are readily accessible to her mouth in which case she will of course gobble them mightily making your experience something to remember.
Hey remember that time I RTFBG'd Grayce...yeah she gobbled that shit like a turkey.
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!
Read The Forum Rules; used commonly in a forum to advise somebody (usually a new member) to not break the rules or post stuff in the wrong place. Also can be Read The Fucking Rules if you're in a bad mood.
Read The Fucking Google, implies that when the manual (hard copy) is unavailable (See RTFM) - that the person should show some initiative and look it up on Google instead of wasting everyone else's time by asking them.
Joe: Hey what's the defaultIP for this modem?
Andy: RTFG!
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!