Cousin Zone
Status attained when a girl will not respond to your sexual advances because she is your cousin.
I met this pretty girl at the family reunion, but I messed around and ended up in the cousin zone.
Cousin zone
Similar to friend zone, one may find themselves in this dire predicament when a flirtatious attempt with another is ended abruptly due to them exclaiming something along the lines of 'but we're cousins!' or 'you're my cousin!'.
(After yearly family gathering)
Cletus: Goddam it Travis, it was going real gooood
Travis: Why, she didn't cousin zone you did she?
Cletus: You're darn right she did
Cletus: Goddam it Travis, it was going real gooood
Travis: Why, she didn't cousin zone you did she?
Cletus: You're darn right she did