GRAAAAAGHHH!!

GRAAAAAGHHH!! is the sound certain people make when they are frustrated or in pain.

pronunciation: (grraaa-ughhhhh)

computer: imma delete ur essay while you go to the bathroom
you: *returns from the bathroom*
you: WHAT- MY...MY ESSAY! GRAAAAAGHHH!!
example 2 (for pain):

you: *stubs toe on god knows what*
you: GRAAAAAGHHH!!