dumbledick

1)The dick, or penis, or male genitalia, of Sir Albus Dumbledore of the Harry Potter book series or Harry Potter movies. Rumored to be over 7.6 inches in length (non-erect).

2)Used to describe someone who believes they are always correct and know everything when it is obvious they don't.

1)"My god that kid has such a dumbledick!"

2)"Stop being such a dumbledick! You're wrong!"