A hybrid word using the terms "Tard" and "Hard-on".
Tard = mentally handicapped or just plain stupid.
Hard-on = excessively strict or severe, not an actual erection.
When the words are combined, you get: a person who thinks they are in charge and are excessively strict and/or severe, however that person is or is border-line mentally handicapped and every ignores him.
John: Oh boy, Here comes Ted.
Ted: No talking during break time! My shoes hurt!
John: Ted, you're such a Tard-on!
Doing or saying something so perfectly retarded that it is a dead on representation of retardedness. Often more retarded than an actual retard could be.
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.