To drunkenly vomit into one's own pants and commit other acts of alcohol-induced foolishness and hurting one's self.
David just went into the bathroom to Pull a Yu.
To steal another’s work and claim it as your own
Pull a Yu-y: Dude when I submitted my 104 I got told I was plagiarising some bloke named Yuhao who nicked my shit and uploaded it first. He’s pulled a bloody Yu-y
Ditching one's friends so that you can get some pussy from a fat pimply girl because you cannot get any normally.
Damm bro he was pulling a Yu last night. I saw pictures of his face buried under some girls stomach rolls after he lied to us and said he was asleep.