Someone who tells hideous lies when
drunk.
Comes from the term Zebu,
meaning deception or lies, which derives from the practice of unscrupulous restaurants passing cheap zebu meat off as
British steak to save money.
Joe: Man
Nate was wasted at my party last night! You hear that guy? Apparently he works for the CIA. And his Grandpa was Marlon Brando. And Sienna Miller has his number.
Jack: Say what?!
Joe: I know.
Jack: Dude, that jackass is a total zeboozer.