"Knurl" Natural Recordings by Native Speakers
A knurl is a small, rough, or textured projection that is made on a surface, typically for the purpose of providing a better grip or traction. Knurls can be found on various objects, such as tool handles, grips, or even furniture, and are often used to prevent slipping or unintended movement.
The verb "knuckled" means to yield or submit to someone's demands or wishes, often unwillingly or reluctantly. For example: "He finally knuckled to his boss's demand and agreed to work overtime."
A knucklehead is an informal term used to describe a person who is foolish, silly, or reckless. It often connotes a sense of carelessness or lack of common sense. The term can also be used to describe someone who is a bit of a troublemaker or a trouble magnet. It's often used in a humorous or affectionate way to tease someone for their antics or foolish decisions.