Definition of bub

• n. - Strong malt liquor.
• n. - A young brother; a little boy; -- a familiar term of address of a small boy.
• v. t. - To throw out in bubbles; to bubble.
• n. - Strong malt liquor.
• n. - A young brother; a little boy; -- a familiar term of address of a small boy.
• v. t. - To throw out in bubbles; to bubble.