What is Ubby Dubby?
1.
a juvenile code language that changes each syllable into two syllables, thusly, change the initial vowel in each syllable to a short u sound, and start the second syllable with a "b" and the remainder of the original syllable. Ubby dubby was popularized on the PBS kids show "Zoom" in the 70's.
"Chair" in ubby dubby is "chubair."
See