- The definition of bub is a slang term for a male friend.
An example of a bub is a teenage boy's name for his best friend.
Origin of bub; from German bube, boy
Origin of bubProbably alteration and shortening of brother.
- (slang, historical) An alcoholic malt liquor, especially beer.
Probably imitative of the sound of drinking.
- A woman's breast.
Contraction of bubby.
Corruption of brother.
- (Australia, slang) A baby.
(third-person singular simple present bubs, present participle bubbing, simple past and past participle bubbed)
- (obsolete) To throw out in bubbles; to bubble.