headass /ˈhɛdæs/noun 3adjective 1forms 3 noun3 •[in compounds] (slang, offensive) Forming insults denoting a person of a specified kind.Look at this Young Sheldon headass. •(slang, offensive) A stupid or contemptible person.Bro, stop acting like a headass. •(slang, disapproving) A person's self.Get your headass over here! adjective1 •(slang, offensive) Stupid, idiotic.Definitely one of the most headass things I've heard out of a player in recent years — 2022 formsheadasses · more headass · most headass