he is a funny flash animation character created by michael swain. Blockhead is very stupid, and has a short attention span. He celebrates Ghostmas on random days, and dosn't listen to his conscience. His conscience looks like a grouchy old man that tells Blockhead not to do stupid things. He dosn't listen though.

A very stupid thing which demented sadists write for their own amusement. Appears in the form of an email, "real" letter, or Youtube comment. Usually goes something like this:

Ef u dn't snd this lettr to 20 mor pple then you'r (mom will die/ balls will be cut off/ you will turn gay) at mdnite tonite LOL ROFL!!!!!

Only horribly stupid people follow these, while intelligent people ignore them. Really intelligent people track down the people who right the letters and kill these people with a lawnmower and a pogo stick.

A very stupid person that really gets on your nerves.

a very stupid person who wouldn't understand just being called stupid; commonly used for the stupidest people you will ever know who would try forever to figure out what the deviation between stupid and stupid face is....by the way, there is NONE.

A very stupid person that continuelly (even after being told a trillion times) day by day / hour by hour / second by second, stuffs up.
Or just dose very retarded,obvious acts.

A very insane and retarded person. Namely, you.

A nice insult in Russian language for a stupid person. Usually used when referring to a family member or a close friend. While you are calling that person stupid, you still retain the fact of not insulting that person. Can also refer to a person who is been very slow. This is an insult that deliveries the insult, but the person who you are calling teapot can not really get mad at you because teapot is a "nice" sort of insult. However, you are still calling that person stupid or slow, just in a nice way.