(also 9 O'clock watershed)

The rule whereby British TV companies can't show "adult" programmes before 9pm.
by Powysian September 24, 2006
Get the 9 O'clock Rule mug.
the nine o'clock rule protects our right to not care anything before 9 AM
8:30 AM

teacher: "wake up!"
student: "fuck that, 9 o'clock rule."
by 9amrule September 21, 2006
Get the 9 O'clock Rule mug.