The Title of the Page is Pretty Self Explanatory...

Apparently, don't touch a sign that has sharp edges...
Don't jump off of a deck trying to kill yourself.
Don't punch a kitten when you find a better deal on a mattress.
Don't lick a porcupine that's in a cone.
Don't faceroll on a keyboard and sue Microsoft...sue Apple.
Do not try to throw a can at a tank(I have seen a picture of this and will probably post it up soon).