I'm intrigued. How's it proncounced? Jub-TAB-ya-lus-ly?
I bet it has a great definition, something to do with jubs? :o)
It’s apparently british slang having something to do with large bouncy appendages of the fairer sex.
Here’s the thread I got it from.
http://www.freerepublic.com/focus/chat/2346547/posts