KONO... URAGIRIMON' GAAAAAAAAAAAAA!!

The sentence you say after you've been betrayed by 2 of your friends that you have known well and got along with in the last few months.

Bertholdt: "Reiner, are we doing it!? Now!? Right here?!"

Reiner: "Yeah.. We settle this... right here, right now!"

Eren: KONO... URAGIRIMON' GAAAAAAAAAAAAA!!