It's urdu mix english slang meaning "no worries" or "just chill".
For example, "tension nahi lenay ka" or "thand rakh tera kaam ho jaye ga" these both are examples of roman urdu.

English examples: "no tension now that i'm here", or "just relax your work will be done".

that's thand program!!!
by Ahmad Saher June 22, 2007
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