give someone the glad eye

US /ɡɪv ˈsʌmˌwʌn ðə ɡlæd aɪ/
UK /ɡɪv ˈsʌmˌwʌn ðə ɡlæd aɪ/
"give someone the glad eye" picture
1.

to look at someone in a way that shows you are sexually attracted to them

:
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He kept giving her the glad eye across the room.
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She noticed him giving her the glad eye and smiled back.
:
in someone's eyesgladcatch someone's eyethe apple of someone's eyeopen someone's eyesgive someone a callgive someone a hand