Definitions for bubbʌb
Random House Webster's College Dictionary
(used as an often insolent term of address) brother; buddy.
Category: Status (usage)
Origin of bub:
1830–40, Amer.; perh. < G Bub, short for Bube boy
Origin: Probably imitative of the sound of drinking.
strong malt liquor
a young brother; a little boy; -- a familiar term of address of a small boy
to throw out in bubbles; to bubble