Kryptonite

also slang for a drug, "disco kryptonite". In 90's, if the drug was green crystal clear rock substance "kryptonite" is what is was called if you said it out loud in front of people... know as meth. It is the opposite of what it does to superman. GIVES YOU POWER, ENERGY, THE GO GO , GET UP AND DO SOMETHING....

You got that kryptonite?