Definition of "bub"

Bub is made from ground barley and strong worts, and sometimes from strong small worts from the coolers, properly blended and boiled with some hops, in the proportion of one pound to a barrel of worts.

1838, Samuel Morewood, A Philosophical and Statistical History of the Inventions and Customs of Ancient and Modern Nations in the Manufacture and Use of Inebriating Liquors, page 662

‘Mr. Blanford, I esteem that there is nothing more sublime in nature than a glimpse of an English lady's bubs.’

1982, Lawrence Durrell, Constance (Avignon Quintet), Penguin, published 2004, page 631

So he changed his brusque manner, and inquired, in a tone which was intended to be extremely conciliatory :‘ What′s your name, bub ? ’‘ The last one, Sir ? ’ asked bub, looking up.

1857, T. B. Aldrich, What Jedd Pallfry found in the Coffin: The Knickerbocker, volume 49, page 23

Mrs. Peter filled her pocket with the cherries — “ Victoria and bub are so fond of them!” and we scrambled into the wagon.

1857, Clara Augusta, Mrs. Peter Dame, George R. Graham, Graham′s Illustrated Magazine, Volume 50, page 398

You find me in da club, bottle full of bub

2003, “In da Club”, in Get Rich or Die Tryin', performed by 50 Cent

Out in the club and I'm sippin' that bub / And you're not gonna reach my telephone

2010, “Telephone”, performed by Lady Gaga

We passed on so far forth till we saw Rude Acheron, a loathsome lake to tell, That boils and bubs up swelth as black as hell

1563, Thomas Sackville, The Induction