The term 'No Frills Hairodo' refers to a hairstyle that is simple and easy to maintain. The crossword solution for this term is 'KNOT', which is an appropriate description of the hairstyle. A no frills hairdo typically involves tying the hair into a KNOT or bun, without any additional styling or accessories. This type of hairstyle is often chosen by those who want a low-maintenance look that is still stylish.