Used to express approval, enthusiasm, or excitement.[Of unknown origin.]
"On Erin Wheeler's first Valentine's Day with her then fiancee, she received a card featuring a hippo in a tutu on front and a 'Hubba, hubba,' written inside. Enough said." Annie Pierce; Love American-Style: The Female Take; Columbian (Vancouver, Washington); Feb 12, 1999."I also received a few messages of the hubba-hubba variety from my female readers, which were greatly appreciated."
Robert X Cringely; IE Nixed, Mozilla Fixed; Infoworld (San Francisco, California); Jul 30, 2004.
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