The act of acting as a fuck ass. An ass (as in a rude person) that enjoys the pleasure of fornication in the ass hole with a massive male reproductive organ. A person who acts incosiderate to others and is an ignorant bastard.
When someone at a gathering shows people Youtube videos on their phone, when they obviously should be socializing with others. Particularly, when the Youtube video is an old meme that everyone has seen.
"Hey Delilah, have you seen that weird Gangnam style video? Here let me show you!"
"Joe, first off it's 2017, and it's Mom's funeral you Fuck Ass.