Butt Keeper

-noun
Position of power; a person that claims Butt Keeps on another human being

Eric: I can't believe how well Ryan is behaving today!
Keith: Yep! Ever since Shannon became his Butt Keeper, he's been generally jovial and obedient.

Butt Keeps

-noun
Ownership; sexually suggestive right in claiming and controlling the actions and behavior of another human being, however rarely results in sexual activity.

Once a person's butt keeps has been taken (through generally accepted public opinion or by force), the butt keeps rights cannot be redistributed until the owner forfeits his/her position as the Butt Keeper.

Ryan: I think I'll eat a sandwich today
Shannon: No you won't.
Ryan: Please! Why can't I?!
Shannon: Butt Keeps, Ryan... Butt Keeps...

Keith: Ryan, you shouldn't have let her take 'em when she did!
Casey: He wanted her to.