"I've banged my head quite a bit. I liked Iron Maiden, Ozzy, AC/DC. And of course, Ratt and Poison"

In this quote, starlet Cameron Diaz is discussing her musical choices and experiences. She mentions that she has actually "banged [her] head a fair bit," which might be translated as a referral to headbanging, a common activity at heavy metal performances. She then notes several bands that she enjoys, including Iron Maiden, Ozzy Osbourne, AC/DC, Ratt, and Poison. These bands are all known for their heavy metal or acid rock noise, suggesting that Diaz has a preference for this type of music. By mentioning these bands, she is providing insight into her individual taste and possibly meaning her defiant or edgy side.