cowlick
/ˈkaʊlɪk/
noun
- A lock of hair that grows in a different direction from the rest, often sticking up or lying flat in an unruly way.
- He tried to flatten his cowlick with water, but it kept popping up.
- The barber trimmed around the cowlick on the back of her head.
- My little brother has a stubborn cowlick that won't stay down.