Urban Dictionary: Definitions by TrinityKnight(XboxLive)

Blargenstine

A more intense version of "blarg." Used as an expression of comedic frustration. Considered an intense explicative of "Blarg!"

A gamer accidentally kills or "frags" himself. He would state emphatically: "Blargenstine!" and then laugh, feeling quite embarrassed but comical.

The explicative or excited use of the word "Blarg." Used as an expression of comedic frustration.

A gamer accidentally kills or "frags" himself in-game and shouts "Blargenstein!" Then he proceeds to laugh at his distress-inducing accident.