look somebody up and down

look (one) up and down

To visually inspect one in a blatant and often tactless manner. When I stepped into the office, the boss looked me up and down before telling me to take a seat. I looked the strange woman up and down, wondering if she were really here to help me or just another spy.
See also: and, down, look, up
Farlex Dictionary of Idioms.

look somebody ˌup and ˈdown

(informal) openly look at somebody from head to foot in a way that makes them feel embarrassed: When I started working there, I could feel people looking me up and down and wondering what I was like.
See also: and, down, look, somebody, up
Farlex Partner Idioms Dictionary
See also:
  • look (one) up and down
  • look someone up and down
  • look up and down
  • be/look a picture
  • stick (one's) foot in (one's) mouth
  • foot in one's mouth, put one's
  • put (one's) foot in (one's) mouth
  • put foot in mouth
  • visually impaired
  • put one's foot in it