Top definition
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."
by Frank Booth January 03, 2005
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