Hairy eyeball

From Fresh Dictionary

English

Noun

to give someone the hairy eyeball

1. ((slang{{#if:|, {{{2}}}{{#if:|, {{{3}}}{{#if:|, {{{4}}}{{#if:|, {{{5}}}{{#if:|, {{{6}}}{{#if:|, {{{7}}}{{#if:|, {{{8}}}{{#if:|, {{{9}}}}}}}}}}}}}}}}}}})) To stare openly at someone in a confrontational or demeaning manner.

   He was giving me the hairy eyeball.