errrrr or urrrrr
another expression of duh, in regards to something that is simply dumb or lame or frustrating. Very early 90's in so-Cal.
ERRRRRRR, I can't the flippin' lid off the pickle jar.
or
ERRRRRRR, was that guy's pickup line lame or what?
or
ERRRRRRR, was that guy's pickup line lame or what?