You: Dude... I got her caning me last night!
Friend: Who?
You: My girlfriend... DUH!!!
Friend: Wow... I remember when she used to cane me.
You: ....
Friend: ....
Friend: What about that weather we're having.
You: ...
You: FUCK YOU!
As seen on many porn sights, a form of porn popular in japan that involves japanese men slapping or punching japanese girls' titties repeatedly, very hard.
Guy 1: Hey, why is he slapping her boobs?
Guy 2: Some weird type of porn called caning...