Sniper Wonderland.

Good=Skits and songs not so PC, done within a Plt or Sqd setting out of earshot and view of the rest of the world having no business what is hung out for morale purposes.

Bad=Doing the same and then putting it up on fucking YouTube for the whole fucking world to see that we still have idiots amongst the ranks. :uhh:
I remember learning a slightly different version of it back before I first shipped out to basic training (several friends were prior service and thought I needed to learn the good ones, so that I could teach the youngsters when I got there).