"I Be On That Kryptonite, Straight Up On That Kryptonite"
by OutKasted November 11, 2005

the purple ribbon allstars are always on that kryptonite
by Geoff December 28, 2005

kryptonite is a strain of weed originating out of Norcal in the town of yuba city, its a f-1 hybrid, pure kush plant with ultra potent nugs that taste like og or bubba kush not for light weights
by Kalichronic January 2, 2009

Strong ass weed, song made popular by Purple Ribbon (who are da shit), and Superman's worst nightmare.
When Superman hears the song Kryptonite, he takes a baseball bat and starts whamming the crap out of the stereo.
by I ain't tellin you NoTHIN'! July 20, 2006

1. the weakness of an otherwise invulnerable or confident person (especially a heroic person), Achilles' heel
2. crystallized, smokeable cocaine
2. crystallized, smokeable cocaine
by The Return of Light Joker April 4, 2010

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”.
Jacqueline is Robb's kryptonite.
by RockinRobin76 April 23, 2018

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.
by KEL LEE July 18, 2014
