The act of a white man having sex with someone who isn't Caucasian, purely to risk the woman becoming pregnant to "taint" the white Gene Pool with african american DNA.
If JonTron wants me to keep the gene poolclean, then I'll start doing the JonTron Hootenannie just to piss him off!
A disrupition, out of order, big deal out of nothing, shinnanigans. uncontrolalbe disturbance.
Kids are conversating in the class room, dancing on the tables and screaming, the teacher walks in and says "what's all this hootinanni going on in here,huh?"
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"