It stems from ye olde worlde times when people spoke gobble-de-goop, its meanings is a babbon/gibbon eating a non banana type fruit that is not a pear or cabbage. THE END
Hibbity Jibbity is the sound of conversation between large groups of black males who are speaking in an incoherent language called jive, talking amongst themselves.
Boss Man 1: Hey my man
Boss Man 2: What's goodplayboy?
Boss Man 1: Cold Chillin, hibbity jibbity
Boss Man 3: Hibbity Jibbity
Boss Man 4: Hibbity Jibbity
Boss Man 2: Hibbity Jibbity