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1.
A term used to express suprise or shock. Can be synonym for Another term for "Holy cow!" or "Holy shit!" Taken from vgcats.com.
"Hooba jooba you scared the crap out of me!"
by Worm April 14, 2005
 
2.
Another word for women's breasts
She's got the biggest hooba-joobas i've ever seen!
by Dan the man December 13, 2003