You probably just laughed it off and replied that you didn't know how to write, or that you didn't have the time. And we at Screenbrokers do know how to write and we will make the time to write that screenplay for you or get you started by writing a synopsis or story outline for you. A standard contract as set up by the Writers Guild of America will grant you full story credit. Our prices on adaptations, original screenplays, and synopses, are Writers Guild minimums. Sometimes just a germ of an idea is all it takes.
Studios often pay well just for a fresh new concept.
If you have a terrific notion in mind, Screenbrokers can arrange a pitch meeting for you.