1. 'Bohot chaudh mei rehte hain'
2. 'Keep saying - tu janta nahi mera baap kaun hai.'
3. Very Haughty.
4. 'They would definitely smoke and drink.'
5. Every sentence ends in a cuss word.
6. Very conscious about their body- gym freaks.
7. Chep hongey.
These are some I've heard. (Just clarifying - this is not my opinion..I don't think every Delhi guy is like that and I feel they are sometimes seriously misjudged exactly like Delhi girls).