A person who's a complete tard, but that's what you would expect from a child named after a body part.
Person A:"That handaru guy is an idiot"
Person B:"If he was an idiot, it would be a dramatic imrovement"
Person B:"If he was an idiot, it would be a dramatic imrovement"
by OgreInASwamp November 16, 2018
Get the handarumug.