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the 9 thing, is the moment at which a programme starts on E4, and a large number of 16-25 year olds tune in.

Also, a 9 thinger, somebody who tunes in at said time, to said channel.
The O.C, Smallville, Invasion blah blah

"What are you doing tonight?"
"Its Monday, E4 of course"
"Ah, so your a 9 thinger"
by ollie_h May 18, 2006
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