The nickname for baseball's ugliest pitcher, Aaron Harang.
That damn Harangutan threw his feces over 90 miles per hour!
ayon kay Aaron Harangutan ika-05 ng Abril, 2010
1 more definition
to constantly be on someone's back; incessantly nagging and lecturing.
"I can't stand to be in the same room with him, he's such a harangutan!"
ayon kay Donda & Sandi ika-20 ng Nobyembre, 2007