Peter Fonda: On Golden F***in' Pond

5/1/2008 4:20 PM PDT
He may not have dropped the c-word like big sis Jane, but Peter Fonda did flip the bird to paps. Papa Henry would be so proud!

The 68-year-old sat by the Central Park reservoir on Wednexday -- watching a scene from "Gossip Girl" film.

XOXO, Easy Rider!