Something or someone who makes you weak, even if you are a very strong person
I'm a very strong person but you make me weak, you are my kryptonite.
by SydneySilver January 12, 2016
Get the Kryptonite mug.
Related to the Superman movies: Superman's weakness.The only thing that can hurt the man of steel.

My definition:

A man/woman that calls someone their Kryptonite means that they are their weakness. Someone or something they have to stay away from because they want it even though it's not good for them or will hurt them.

Someone you want but can't have can be called your Kryptonite.
-You like Jane?

-Yeah dude but I gotta stay away from her because she's got a boyfriend. She's my Kryptonite.

-I'm allergic to shrimp.It's my Kryptonite.

-You're like Kryptonite to me. I have to stay away from you.
by GuestStar December 10, 2009
Get the Kryptonite mug.
A strong love and desire for something or someone. They are something or someone you are unable to stay away from.
Bongo is l’s kryptonite. No matter what happens they can’t and won’t be without eachother.
by Lea!Rose! January 1, 2020
Get the Kryptonite mug.
Intellectually powerful enough and attractive enough to seduce the strongest willed Playas, Pimps, Macks,Daddies,Hubbies, and Champions.
Man she's got that Kryptonite!

Aww man I swear this Man has got some Kryptonite!
by Buttafly G. September 30, 2010
Get the Kryptonite mug.
The person or object referred to, for some reason, makes one lose one's resolve, rendering a person easily influenced or coerced to doing something they're usually not predisposed to doing. In other words, “kryptonite” in this context is a metaphor of “weakness”.
by RockinRobin76 January 4, 2018
Get the Kryptonite mug.
A female that you can help but go back to even though she's bad for you
Yo son why you keep goin back to her

Can't help it man she's my kryptonite she got I pull on me
by Young beez May 12, 2009
Get the Kryptonite mug.
a drink invented in the early 90's by KEL LEE named after the rich green color and a big Superman fan. the drink is a mix of vodka, peach schnapps, Blue Curacao liqueur and Orange juice.
Please pass the glass of Kryptonite.
by KEL LEE July 19, 2014
Get the Kryptonite mug.