Those people who are just so inconsiderate, mean, and overall just a bunch of douche bags. Only use this on the biggest of assholes, also, Twitter is not allowed to use this term as Twitter itself is a rude head mcdumbface.
Jack: “Have you heard about what Blake is saying and doing to people?”
Anna: “Yeah he’s such a rude head mcdumbface.”
Someone who is farther than fucked up in the head. They have an astronomical level of asshole-ness and stupidity. It can be used when someone is rude but also when they're stupid. Most to be used as an insult to their personality
Poopy head is a sexual act in which two people have anal sex but the person receiving the anal must take a shit and not wipe before the anal and the person giving the anal must not wash their penis after the anal, it is also an insult for someone who does that
Girl 1: that guy I was giving a bj to's dick tasted weird
Girl 2: I think that guy likes poopy head Girl 1: eww, I'm gonna go wash my mouth