What's the meaning for the sentence: "Hey, what's your deal?"

China
May 1, 2011 6:20pm CST
Can anyone explain the sentence: Hey, what's your deal? Thank you!
1 response
dreamy1
@dreamy1 (3811)
• United States
2 May 11
What's your deal is similar to what's your problem. Maybe the person has a bad attitude about something or is mad about something and is acting in a way that's not good. If you say what's your deal is means what's going on why are you acting the way you are acting.