my kryptonite

Used to refer to something that is your ultimate weakness, that which renders you powerless...in reference to Superman...whose only weakness is kryptonite.

Overthinking is my kryptonite. Or Chocolate is my kryptonite. Make sense?

by happythoughts October 14, 2014

boner kryptonite

A ugly woman, a woman so ugly your dick shrivels

"That bitch is fucking boner kryptonite!"

by Revlic September 7, 2007

Muslim kryptonite

a synonym for pork, used in an episode of wonder showzen where the kiddies take a tour of a meat packing plant

pig walks by ooh! look! Muslim kryptonite!

by penguinopolipitese August 4, 2006

Pussy Kryptonite

One who always scares or creeps out the females at a said location and ruins all chances of your boys gettin some ass for the night.

That kid is the fucking pussy kryptonite.

by JerseyDaddy December 17, 2008

Nigga kryptonite

Any woman that would bring a nigga to his knees, specifically thick, big-booty white girls

Damn!! Look at dat bitch! Dats nigga kryptonite, fo real.

by DreadHawk May 31, 2015

Peters Kryptonite

A slang definition for Red Bull. Please see the expression "feeling a bit peters".

Dave : I'm soooo tired at the moment I need some Peters Kryptonite

by Glen Rolls June 13, 2008

black kryptonite

First appearing in Smallville, episode 'Crusade', black kryptonite is capable of separating certain entities within individual organisms, e.g., splitting a person's good and evil sides. Formed by heating up green kryptonite.

Stay away from the black kryptonite.

by emma1111 June 15, 2006