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Any number that people call all the time because a character in a song or movie dials it. Originated from the song "867-5309/Jenny" by Tommy Tutone.
Eric: God damnit, I hate that new movie that just came out. I'm getting calls every 5 minutes because I have a damn Jenny Number.

Sam: You should change your number, man. They won't stop. Besides, doesn't your daughter have the same name as the woman in the movie?

Eric: Yeah, I never know if they really want to talk to her or not anymore!
by Hextacy September 22, 2007
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