A somewhat nerdy colloquialism for "okay." As potassium's atomic symbol is K, double potassium implies "KK" which is in itself a colloquial version of "okay."
Person 1: Hey, want to meet me at Starbucks around noon?
Person 2: Sure, that sounds good.
Person 1: Great! Oh, remember to bring your notes.
Person 2: Double potassium.
Person 2: Sure, that sounds good.
Person 1: Great! Oh, remember to bring your notes.
Person 2: Double potassium.
by Reginald Phalange September 19, 2013
Double Potassium is absolutely, 100%, incredibly gorgeous and amazing. She makes one of the best friends you'll ever have and she'll always be there for you; to use the word to describe someone, it'd be in the form of an inherent compliment to their beauty or likeness. Someone dubbed Double Potassium usually possesses the traits of: empathy, caring, awesomeness, beauty, and fun.
To know Double Potassium is to know heaven.
To know Double Potassium is to know heaven.
Boy 1: Oh, dude, you see double potassium over there?
Boy 2: Yeah, man, she's amazing.
Boy 1: I know, right?!
Boy 2: Yeah, man, she's amazing.
Boy 1: I know, right?!
by DerMeistermann April 6, 2011