Noun: The area between the cheek and the earlobe, a very popular position for ear sex, used commonly by short people/midgits/jockeys.
Me: "We Be Jynin"?
Nicole: Yeah that song is freakin' jyne, man.
Me: Yeah, I was jynin' with some jynestas last night when I heard it.
Boy: hey wassup?
Girl: jj, u?
Girl: ya, just jynin!