let your hair down

going overboard with effort or giving more effort than is required for a simple task

wow you really let your hair down today at noon ball, i think you actually killed a guy

by andydalton January 17, 2012

Downs hair

Hair that tends to stand up on the sides of the head. People with down syndrome usual have this type of hair

Co-worker: yo bud, I noticed your hair always stands up on the sides. You got downs hair.

by local wood plant April 06, 2024