give someone the eye

verb3

1. •
   To show flirtatious signs or sexual interest/attraction with one's eyes.

   • I saw him giving me the eye as soon as I entered the bar.
2. •
   To give someone the stink eye.

   • I saw him giving me the eye as soon as I entered the office.
3. •
   To give someone the evil eye.

   • I saw him giving me the eye as soon as I entered the town square.