Top definition
The fast growing craze of joining a group on facebook and posting your photographs of people lying face down horizontal in any environment.

The stranger the better.

Indoors or outdoors, up a mountain or on a phone box.
Anywhere you like.
The most original, bizarre or dangerous place gains the most kudos.

The only rules are that your arms are down by your side and your toes are pointing down.
Q: dude wat U think ov my new pics on facedownbook?

A: WTF dude U on the top of my car!
by Wrappa July 16, 2009
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