give somebody the hairy eyeball
give (one) the hairy eyeball
To look at one in a way that shows wariness or displeasure. I gave Gina the hairy eyeball when I overheard her gossiping about my best friend.
give somebody the hairy ˈeyeball(American English, informal) look at somebody in a suspicious or disapproving way: When I say I’m into hunting, people either laugh or give me the hairy eyeball.
This refers to looking at somebody with your eyes slightly closed so that your eye is partly covered by your eyelashes.