bub

(noun, verb)

noun

1. (slang, historical) An alcoholic malt liquor, especially beer.

2. A woman's breast.

3. A term of familiar address; bubba; bubby.

4. A young brother; a little boy; a familiar term of address for a small boy.

5. (Australia, slang) A baby.

6. (slang) champagne; bubbly.

verb

1. (obsolete) To throw out in bubbles; to bubble.