A slang term for useless or foolish behavior.

A derogatory term used to refer to something worthless.

निरर्थक

English Usage: The project turned out to be a complete stupp.

Hindi Usage: यह प्रोजेक्ट पूरी तरह से निरर्थक निकला।

To act in a foolish or irrational manner.

To mess something up or ruin it.

खराब करना

English Usage: Don't stupp your chances by being late.

Hindi Usage: देर से आकर अपने मौके को मत खराब करो।