A 48-year-old man from Maidenhead has denied flashing people in the summer.
David Balfour, of Courtlands, is charged with one count of indecent exposure intending that someone would see them and be caused alarm or distress.
The incident is alleged to have taken place in Bracknell on July 18.
Balfour pleaded not guilty at Slough Magistrates' Court on Wednesday and is due to face trial at Reading Crown Court on January 11.
He was granted conditional bail.
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The victim of an assault in Cippenham was flown to hospital by air ambulance this afternoon.
A rapid response vehicle, an ambulance officer, an air ambulance and an ambulance crew were all called to an address in Earls Lane at 2.10pm.