What Is a No Brainer?

A no brainer is something, especially a choice or decision, that is so ovious or easy as to require little or no thought. Subscribing to the woku man podcast is clearly a no brainer. So why was it a kind of ano brain to bring im back as he wrote the spring player a wrote the the book for this? And now, a few synonyms, cake walk, child's play kit stuff, a picnic. Some antonyms Could be a stumper, a brain teaser. That's it for to day.