a passionate but not a vicious boy
passionate
/ˈpa-sh(ə-)nət/
adjective
easily aroused to anger
filled with anger : angry
capable of, affected by, or expressing intense feeling
was passionate in her defense of her cub, and rage transformed her
impassioned passionate ardent fervent fervid perfervid mean showing intense feeling. impassioned implies warmth and intensity without violence and suggests fluent verbal expression. passionate implies great vehemence and often violence and wasteful diffusion of emotion.