Poo-flag -- a nonce term or a Germanism?

[RonButters at AOL.COM]

Is anyone familiar with the term POO-FLAG (see below)? Could it be a 
Germanism, or just a nonce term? What is the German equivalent?

(I wonder how the German police go about dissembling the poo-flags)

> http://www.indybay.org/news/2005/03/1728717.php
> Uploaded file is at: http://www.indybay.org/uploads/bushpooflag.jpg
> (44.2 kibibytes)
>
> German police baffeled by Bush poo-flags
> no oneMonday, Mar. 21, 2005 at 8:43 PM
>
> German police baffeled by Bush poo-flags
>
> Police in Germany are hunting pranksters who have been sticking 
>  miniature flag portraits of US President George W. Bush into piles
> of 
>  dog poo in public parks. Josef Oettl, parks administrator for
> Bayreuth, 
>  said: "This has been going on for about a year now, and there
> must be 
>  2,000 to 3,000 piles of excrement that have been claimed during that
> 
>  time." 
>
>  The series of incidents was originally thought to be some sort of 
>  protest against the US-led invasion ofIraq. And then when it
> continued 
>  it was thought to be a protest against President George W. Bush's 
>  campaign for re-election. But it is still going on and the police
> say 
>  they are completely baffled as to who is to blame. "We have
> sent out 
>  extra patrols to try to catch whoever is doing this in the
> act," said 
>  police spokesman Reiner Kuechler. "But frankly, we don't know
> what we 
>  would do if we caught them red handed." Legal experts say there
> is no 
>  law against using feces as a flag stand and the federal legal
> experts 
>  say there is no law against using feces as a flag stand and the
> federal 
>  constitution is vague on the issue.