also: サディスチック · サジスティック
Describes a person, behavior, or tendency that derives pleasure from causing others pain or humiliation. Used as a na-adjective.
His jokes are a little sadistic.
He gave a sadistic smile.
He's a sadistic boss who enjoys tormenting his subordinates.
She teased him with a sadistic smile on her face.
He seems to take sadistic pleasure in teasing people.