Jem beats down Mrs. Dubose's camellias because he becomes frustrated with her racist remarks towards him and his family. He sees it as a way to retaliate and release his anger towards her.
Jem beats Mrs. Dubose's camellias in anger after she provokes him and insults Atticus, calling him awful names. He is frustrated by her mean remarks and stands up for his father by destroying her flowers. Jem's action signifies his struggle with his emotions and his loyalty to his family.
rap makes some people angry. all the beats just annoy some people
Jem destroys Mrs. Dubose's camellia flowers in a fit of anger after she insults Atticus. As punishment, Jem is required to read to Mrs. Dubose every day, which is meant to teach him discipline and empathy. Through this experience, Jem learns about courage and forgiveness.
Riahanna ^^ she makes him very angry
Rovio makes Angry Birds.
Pollution makes the Earth angry. At least, in a metaphorical sense.
Lindsey Stirling does not make her own beats. It is her producer who makes the beats for her.
Hormones
Mr Hahn
dj mustard
Adrenaline
being bullied