a state usually induced by too much sambuca. used when you're so drunk, you literally cannot recollect what you did 5 seconds ago. so basically, if you're absolutely hammered, you're buckingham palaced; a fabulous experience when you're there.. a few hours later, not so much.
OH MY GOD, GET THE SAMBUCA OH WAIT NO I'M ALREADY FUCKING BUCKINGHAM PALACE'D AY AY AY AY AYYYYY
by emmaakins June 27, 2010
Cock knee rhyming slang - To be caused shame by one's servant/s.
Monarch: "Oh, Lord. Philip, that Burrell man is on the box again. I'm so Buckingham Palaced."
by Dermot O'Logical October 03, 2009