What is grr?

"Grr" typically refers to a growling sound made by animals, particularly by dogs and other carnivores as a warning or expression of anger. It can also be used as an onomatopoeic word to describe the sound of growling.

In internet slang, "grr" is sometimes used to convey frustration or annoyance. It may be used jokingly or playfully in online conversations.

Overall, "grr" is a versatile term that can convey a range of emotions, from anger and annoyance to humor and playfulness.