Two news articles caught my eye (attracted my attention) today:
Washington Post Headline
Why accepting the Iran nuclear deal is a no-brainer
The Guardian Headline
Harry Kewell says joining Watford to coach their Under-21s 'was a no-brainer'
When something requires little or no thought, it is a no-brainer. It's an easy decision or choice to make.
No-brainer is a noun, the plural form is no-brainers.
Taking out medical insurance before a ski holiday is a no-brainer.
It's a no-brainer investment. You'll double your money.
Deciding who to give the 'Salesperson of the Year Award' to was a no-brainer. Shelly was by far our best salesperson.
Can you make an example sentence? Use the comments area below.