sled-i-ket n. the standard code of conduct which governs the manners of sledding in the snow.
It is not proper slediquette if you start sledding before the path is clear, nor is it proper slediquette to walk back up the hill in the center of the path.
Having proper etiquette when updating ones Facebook,Myspace,Twitter,ect. status'. This would involve things such as, not updating too frequently, not name dropping, talking shit about another person,posting your daily routine ect.
The set of rules for having a bowel movement in someone else's house, or possibly a unisex restroom in a public place, intended to minimize the annoyance of others.
Your friend took a giant crap in my house at poker night and left the door wide open. Where's his shitiquette?