When y'all are in the middle of eating each other out synchronously and one shits on the other's mouth.
We was in the middle of it and she Shitsty-Nined me bro, it was nasty!
When y'all are synchronously eating each other out and one shits in the other's face/mouth.
We was having a great time last night until she shitsty-nined me, shit was nasty!
bro: are there nine or a ten
bro 2: yep I saw them at the pub last night
Another word for "top priority." Overrides all other tasks. Must be done immediately.
asdasdasd: Why is this not done? Get this done now! Priority nine!
ghjghjghj: Sorry boss, I'll get on it now!
Self harming or cutting yourself
Nining your wrist
When someone is so tough that they got a nine pack.
Nine-Pack Means someone so tough they got a nine pack.
"Maaann, Lego Batman so tough he got a nine pack."