what about Idiom, Proverb
how about|how|what|what about
interrog. 
Used to ask for a decision, action, opinion, or explanation. 1. Will you have or agree on?
How about another piece of pie? What about a game of tennis? How about going to the dance with me Saturday? 2. Will you lend or give me?
How about five dollars until Friday? What about a little help with these dishes? 3. What is to be done about?
What about the windows? Shall we close them before we go? 4. How do you feel about? What do you think about? What is to be thought or said?
What about women in politics? How about this button on the front of the typewriter?
how about that|how|how about|what|what about|what
informal An expression of surprise, congratulation, or praise.
When Jack heard of his brother's promotion, he exclaimed, "How about that!" Bill won the scholarship! What about that!
what about|about|what
interrog. 1. About or concerning what; in connection with what.

Often used alone as a question.
"I want to talk to you." "What about?" Compare: WHAT FOR. 2. See: WHAT OF IT. 3. See: HOW ABOUT.
what of it|what|what about|what about it
interj.,
informal What is wrong with it; what do you care.
Martha said "That boy is wearing a green coat." Jan answered, "What of it?" "John missed the bus." "What of it?" Synonym: SO WHAT.
what about
what about 1) Would you like, as in
What about another beer? or
What about a game of bridge? 2) What do you think of, as in
So what about renting that white house on the corner? 3) Why, concerning what, as in
I need your frank opinion.—What about? 4) what about it? What should we do, what course of action should be taken. For example,
We're supposed to be there at noon and bring two sandwiches each—now what about it? [First half of 1900s] Also see
how about.
what about
1. An announcement acclimated to activity or advance article or accost an opinion. What about pizza? Can anybody accede on that? What about a cine on Saturday? Are you free? Can you break for a little while? What about a allotment of pie afore you arch out?2. An announcement acclimated to ask about the cachet of addition or something. What about Ted? Is he advancing tonight? What about that report? Will it be accessible by the deadline?3. In attention to what? About what? A: "I charge to allocution to you for a minute." B: "What about?"Learn more: whatwhat about (having) something
Inf. Would you like to accept something? What about accepting addition drink? What about addition drink?Learn more: whatWhat about (having) something?
Inf. Would you like to accept something? What about accepting addition drink? What about addition drink?Learn more: whatwhat about
1. Would you like, as in What about addition beer? or What about a bold of bridge?
2. What do you anticipate of, as in So what about renting that white abode on the corner?
3. Why, apropos what, as in I charge your aboveboard opinion.-What about?
4. what about it? What should we do, what advance of activity should be taken. For example, We're declared to be there at apex and accompany two sandwiches each-now what about it? [First bisected of 1900s] Also see how about. Learn more: whathow/what about...?
1 acclimated back allurement for advice about somebody/something: How about Ruth? Accept you heard from her? ♢ I’m accepting fish. What about you?
2 acclimated to accomplish a advancement or offer: How about activity for a walk? ♢ You attending cold. How about a nice hot drink?
3 acclimated for introducing somebody/something into a chat or reminding somebody of somebody/something: I apperceive she’s actual blessed now, but what about him? ♢ ‘I’ve never been to Spain before.’ ‘What about the appointment you went to in Madrid?’Learn more: how, what