In August, when she first realized she had a problem, she posted a message on a Yahoo Internet addiction group with the subject line: "I have an Internet Addiction.
出自-2010年6月阅读原文
柯林斯高阶英汉双解学习词典释义
EXCLAM
（用于表示极度高兴或兴奋）哇，啊
People sometimes shout 'yahoo!' when they are very happy or excited about something.
N-COUNT
招摇的年轻人；富家公子
Some people refer to young rich people as yahoos when they disapprove of them because they behave in a noisy, extravagant, and unpleasant way.