What Malfoy shouts at the good guys at the end of "adult" version of Harry Potter and the Deathly Hallows.
Draco caught sight of Harry, Ron, Hermione and Ginny staring at him, nodded curtly and shouted "what yo' mudblood asses doin' starin' at me mugglefuckers!"
A person of less expertise, experience, knowledge, and understanding that causes great frustration to someone with greater knowledge, experience and expertise.
Brian is such a mugglefucker! He totally justscrewed me over...I feel so mugglefucked by him!
When person with great expertise in a subject matter is screwed over, hurt, or caused great frustration by a person with less experience or ability in the same subject matter.
Joe was just mugglefucked by Stephanie! She has no idea what she's doing, she's such a mugglefucker!
Someone who jumps from one relationship immediately into another one.
Serial monogamists can not stand to be alone and often suffer from vast commitment and insecurity issues.
Because they jump into relationships immediately after the previous one has ended, serial monogamists typically don't take the time to reflect on their behavior or why their previous relationships failed; thus, they end up making the same relationship mistakes over and over again.
Person 1: Damn, Dustin already has a new girlfriend?! It's only been two weeks since he broke up with his fiance! I think he's a sociopath.