Yotsuba shows us a little trick
original ploz
seconded
http://jj.am/gallery/v/PronGIFs/Squirting/GirlPeesWoods.gif.html
sauce naow
BTW, if anyone wants to fix this gif up for me (like get rid of the white background around yotsuba's head or revise shoop da whoop), send me an e-mail you'll need macromedia flash though.