Sentence examples for How about that from inspiring English sources

"How about that" is a valid part of a sentence and can be used in written English
It is typically used as an exclamation or a rhetorical question. It can also be used to express surprise, disbelief, or agreement. Example: "My team won the championship! How about that!" (exclamation) Example: "He said he would never apologize, but he did. How about that?" (rhetorical question expressing surprise) Example: "How about that weather? It's been raining all week." (expressing agreement)