The dried crap on the sides of a cow's ass.
Those aren't dingle berries on that cow's ass son, that's bodac.
In the game of runescape (which is an MMORPG) there are certain areas where you can fight other players. If you are in a fight and teleport out. You are referred to as a teletubby. Meant to be an insult.
"O my god i was about to kill that guy and he teleported! Stupid tele tubby!"