1560s, originally "weak beer;" used figuratively of small things or trifling matters. Small with the meaning "of low alcoholic content" is attested from mid-15c.
n. nothing or next to nothing; an insignificant person. (From a very old word for weak or inferior beer.) : Small beer or not, he's my customer, and I will see that he is taken care of.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
Cite This Source