It is the very very amazing nickname you guve your partner if they are obsessed with cinnibuns.
Now this nick name implies not only there love for cinnibuns but also the likeness and similarity to said cinnibun. They are sweet. And always smell good. And are the best thing to wake up to in the morning.
1. Oh! Look at my cinnibun! Isn't he so adorable!
2. Partner: "Hey, Cinnibun?"
The act of the male and the female. The male sharts on a girls hand when it is in the shape of the a curled fist. She then gives the male a handjob resulting in the male sperming on the shart covered hand, therefor resembling a cinnabun. At which point she in enjoys her free sloppy cinnabun.