Its when you look at someone in the eyes, and you can just tell that there is nothing there, or they just look right through you, like you're prey. Sociopaths are said to show this trait, as well as some mentally handicapped. Check out photos of charlie manson, john wayne gacey, any of those serial killers.
That charlie manson has shark eyes.
by blaukuh July 11, 2013
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When one is past the point of inebriation, the pupil will dilate a substantial amount, thus resembling the eyes of a shark.

Shark eyes are an indicator of the loss of good judgment, sense of surroundings, and morality.

One the eye of the shark is upon you, horrible and unspeakable things will happen. Coined by the EFVC.
"I'd advise everyone to stay away from Zach, he's got shark eyes!"
by Keets Reese August 15, 2008
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A physical manifestation in the ocular region, which appears devoid of life or emotion. Emptiness.
"Most stupid people have the Shark Eye!"
-Nicholas Cage
by Nikolas Kage April 23, 2009
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They say the eyes are a window into the soul , someone with shark eyes is someone who has that vacant glare of danger in there eyes , where there not totally all there and there emotions and anger appear in there eyes , people with shark eyes are best avoided .. Ive seen many people in my life with that look in there eyes and there left alone.
Mike Tyson had shark eyes ... you can see the violence in his eyes .. people seen as violent or crazy tend to have shark eyes
by topboy969 July 15, 2020
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When you are pushed too far and it, "flips a switch internally" and your eyes go "dark".
I didn't want any trouble and tried to de-escalate but they kept pushing and pushing and I could feel myself beginning to have shark eyes.
by Extremejutsu January 20, 2023
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Piercing light-blue eyes that stand out beautifully yet eerily. Often described as effortlessly holding your focus, these types of blue eyes are often amplified by the contrast of dark hair and can seemingly see right through you.
Celebrities that possess "Shark-Eyes" would include Zooey Deschanel, Emily Deschanel, Erza Haliti, Katy Perry, Tiffani Thiessen, Adriana Lima, Irina Shayk, Candice Swanepoel, etc...
by Rob.M June 20, 2011
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When a female looks up at you sideways as she's giving you head.
Jenny looks so good giving me head, especially when she's givin' me the shark eye.
by lane3192 March 23, 2018
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