A term expressing general displeasure or disdain, specifically towards a given scenario. It's length and tonality may vary, depending both on the person stating it as well as the severity of the scenario.
"heeehhhh" is a word conveying a stalkerish nature. Said by people wishing to establish how stalker-y a person is or by the said stalker, stalking some-one at the time.
"I heard you saw Tim again"
"It was terrible, he was all like "heeehhhh"
Jerry asks Ben "how are you doing?" Ben replies "Hehhhhhh."
Ex.2) to describe a taste/
Tom took a sip of his Beer and replied "Hehhhhhh."
Ex.3) to Insult/
Something you could yell out your car window to someone when you only have a split second to do so/
Sally saw some people she hated and rolled down her car window and yelled "Hehhhhhh!" as she drove by.
Ex.4) Violently Confused/
Pat yelled to Rick, who was across the street walking away, something Insulting. Rick barely heard him and replied as he turned around with "Hehhhhh!?!?"