FDAU 

Face Down, Ass Up: A submissive sexual position in which the female is on her knees, puts her face all the way to the bed or floor, and sometimes reaches back with both hands to spread either side of her vagina or anus.

"I had that bitch FDAU, wearing it out from behind"

FDAU by TheOak39 August 4, 2008

FDAU 

Face Down Ass Up
A provocative pose where a woman is on her knees with her face to the ground (pillow, etc) and her ass in the air.

The model Lauren Gentile specializes in FDAU poses.

"Lordy, Lauren- that is your sexiest FDAU pose yet..."

"My girlfriend likes it FDAU" (sexual)

FDAU by vaughn(psadna) April 16, 2011

FDAU 

Acronym for Face Down Ass Up, a popular sexual position that was used by comedian Andrew Dice Clay - “Face down ass up, that’s the way we like to fuck”

You talk all sexy to her and tell her face down ass up bitch FDAU

FDAU by CbusX August 29, 2018

FDAUF 

Acronym; face-down ass-up faggot.

Your father is quite the FDAUF.

FDAUF by The Goddamn Batman April 29, 2008