the ULTIMATE achievement of xbox 360 that consumes the mind, body, and soul and makes the user go completely insane while trying to obtain the beast.

replaces random as most annoying word in the world. it does not mean you're serious, and does not effectively emphasize what you just said. instead, secures you a position at the bottom of the social ladder.

Seriosky actully means: "Am lying", and you Know it"
This comes from all the politicians, crooks and others who have used the word "seriously" when they were actually lying, e.g: "Seriously, am Innocent-Robert Blake","Seriously, am innocent-Martha Stuart","seriously, am straight"-Ryan Seacrest