To totally interrupt someone in the middle of them talking about something important.
When you steal someone's moment of glory/recognition.
That dude just Kanye'd your ass bro.
(v) to ruin the best moment of someone's life
"Yo, Kayne just kanye'd that Taylor Swift girl at the VMA's. How could he be so heartless?"
Urban Dictionary I'm really happy for you and Imma let you finish, but Websters dictionary is the best dictionary of all time.
Yo, I was trying to make my point in class, but I kept getting Kanye'd by that girl who sits in front of me.
To be publicly interrupted by someone at a lower level of intelligence than you, which immediately is followed by a period of intense awkwardness where you don't know whether to feel sorry for the person that pulled the Kanye, or to wish him bodily harm.
Kanye West invented this act at the 2009 VMAs.
Taylor Swift was Kanye'd at the 2009 VMAs.
Dude, I was totally just Kanye'd by Alex back there!
to hijack someone's good mood, especially by upstaging or overshadowing it
Michael's crying baby Kanyed his morning coffee
To publicly humiliate yourself by being such a douchebag that you not only embarrass yourself, but also those in your immediate presence.
Man, he totally Kanyed during that wedding toast by claiming that the bride was fugly.