A noise mostly made my males and females who are sexually frustrated.

this is what pandas say

1. Often indicative of emotional stress, temporary frustration, or, most likely, a lull in casaul conversation.

2. Cute catch phrase used by alluring females.

3. Primal animal sound made by Cro-Magnon-type males.

4. Found at the tail-end of Tig-grr.

Usually used to indicate anger or frustration. When used this way, it is given a harsh tone. The more r's it has, the angrier the person is.

grr i'm mad you stupid fuck

I hate that I love you.

i wanna fuck you in dinosaur

Sound of Frustration.