What is Grrargishnerarg?
1.
a word used when no other word can completely cover your frustration and/or you don't really know what else to say, and you want to lighten the situation,
used mainly in text messages and other digital media. can be made more enthusiastic using the caps lock voice see
person: i'm leaving for a few years and won't be able to contact you
other: grrargishnerarg
or
other:GRRARGISHNERARG!!!!
See