As a noun wubber is
(nonstandard) used in representing baby talk or impedimented speech.
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Not English
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wubber
English
Noun
(
en noun)
(nonstandard) used in representing baby talk or impedimented speech.
* 1912 , Fanny Lee McKinney, Nora-Square-Accounts , page 145
- Bring Fritzy sled, new wubber boots, caraway kuchen — evrysing fwat Fritzy like.