Donald Duck: Goin' Quackers

Used to refer to someone who is known to cause many rampages.
(Note: Donald Duck: Goin' Quackers was a video game released in 2000.)

Person: Watchout! He's a Donald Duck: Goin' Quackers!

Mafia

Mafia mafia mafia mafia mafia mafia. Mafia mafia, mafia, mafia mafia.

Mafia: Mafia Mafia Mafia Mafia.
Mafia: Mafia.

megamind

A word used to describe an excellent piece of media, especially movies.

Person: "Did you see that new film? It was a megamind!"