1. A chick so hot she makes superman or you weak in the noggin

2. Something so cool or good that it makes you weak in the noggin (can't think so straight)
i was at this strip club this weekend and there was this babe who without a doubt was kryptonic...too bad she was dumb as a box o rocks
by Big BNP January 29, 2004
Get the mug
Get a kryptonic mug for your brother-in-law Manley.
A verb describing anyone who uses their power or authority to make you or your (planned) actions inferior, weakened or subject to being dominated or overthrown, or that renders your ability to do something obsolete.
Despite turning 18 and having new superpowers (the ability to go clubbing and drinking legally) my Kryptonic mother won't even let me leave the house at night to do such acts.
by LanksEO March 27, 2009
Get the mug
Get a Kryptonic mug for your cat Julia.
not to be confused with kryptonite, it means "to make worthy".
kryptonize example:

p1: woh is that ur new chain?
p2: yea i had it kyptonized with silver.
by the kryptonizer December 23, 2005
Get the mug
Get a kryptonize mug for your cat Nathalie.
the male version of a Poptart. a jock that only cares about the next baseball or football game and is a jerk.
by double decker pecker wrecker October 11, 2011
Get the mug
Get a krypton mug for your guy Rihanna.