FOOL

Jerk

Ignoramus

Stupid

Completely Different

george bush

George Bush "am I studpid, no.... stupic, no.... stump...."
Barack Obama, to Bush "Stupid?"
Bush" I forgot what I was asking."
Obama "Okay, give me the keys to the White House and we'll talk in there."
Bush "Here"
Keys are handed to Obama.
Door slams in Bush's face.
Obama "He is definitely stupid."

The word is stupid.

Not exactly which word I'm supposed to be using, so....

President

Dictator

Justin Bieber