A phrase, when said, causes a nuclear explosion. This was assumed to be caused by a mysterious machine of Mars, whihc flung an explosive towards the source of the phrase, but after its destruction, Zeeky Boogy Doog was still unsafe to say, therefore something else is to blame for these nuclear explosions. Most commonly said by the infamous Zeeky H. Bomb, a bomb with a crazed look on its face.
Blah Guy:Ooh, an ant! Wait a minute, that's not an ant...
*zoom in on ant*
Ant(with Zeeky H. Bomb for a head):Zeeky Boogy Doog!
One with a strange hair style consisting of two balls of hair on one's head, with long hair flowing from said balls of hair. This especially pertains to a sailor moon reference, as the term was created by the (horribly) dubbed version of the show.
"You know, no offense Serena, but you've got the funniest hair. Looks like a pair of meatballs!"
"Meatballhead! Don't go in there alone! You'd probably get lost in your own closet!" - Darien to Serena.