dirty sanchezのようなどんな単語でも探してください。
 
1.
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.
o-negによって 2007年03月18日(日)
 
2.
Reverse Titty-Fuck, Ball Gobble.

This is a sexual position in which the male is dominant. He uses the woman's cleavage to stimulate his penis while she simultaneously orally pleasures his scrotum.
me: i totally RTFBG'd her last night
you: you're such a pimp lolzorz
me: i |< |\| () \/\/

Sunshinerによって 2006年10月23日(月)
 
3.
An advanced sexual position.

Reverse Tit Fuck Bum Growl
Last night I tried out the RTFBG
Labratによって 2004年08月03日(火)