What is your thought, feeling, or desire concerning. For example, How about a cup of tea? or How about joining us for lunch? It is also put as how about it, as in How about it? Do you want to come along? [Mid-1800s] Also see what about.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.