slick down

slick down

To cause hair lie flat on the head with water, oil, gel, or some other product. A noun or pronoun can be used between "slick" and "down." I woke up with this annoying cowlick, and now I have to slick my hair down with gel. I've always liked the look of boys who slick their hair down and part it on one side.
See also: down, slick
Farlex Dictionary of Idioms.

slick something down

to brush or comb down hair, usually with some sort of dressing or water. He used something gooeygrease or somethingto slick his hair down. Please slick down your hair. You look a mess.
See also: down, slick
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • angle
  • angling
  • not do (someone or oneself) any favors
  • ask down
  • involve with
  • involve with (someone or something)
  • involved with
  • arrange for
  • arrange for some time
  • arrange some music for