DWAI

1. An initialism of "don't worry about it," used especially in online communications, such as forums, chat rooms, instant messaging, etc. A: "We'll get fired if the boss finds out!" B: "DWAI, I made sure that I covered our tracks." A: "sorry 4 hurting ur feelings." B: "DWAI I knew U were joking

2. An initialism of "driving while ability impaired," referring to the operation of a motor vehicle while under the influence of drugs or alcohol. He got a DWAI last week and had his license taken away by the courts.