aggro

Reader's Digest 5月号の記事 How to Defuse Angerからの抜粋です。
CHANGE THE TEMPO
When you feel yourself getting riled, turn to your favourite music and tune out the aggro.
この "aggro" は知らない単語なので辞書を引きます。
・Cambridge English Dictionary: trouble or difficulty: Why are you being so uncooperative? I don't need this aggro.
・Vocabulary.com: (informal British usage) aggravation or aggression: I skipped it because it was too much aggro.
Origin: 1960s: abbreviation of aggravation, or of aggression.
語源の "aggravation" or "aggression" を連想できれば覚えられますね。