Meaning of K in English
When used as a verb, to have a longing or desire for something or someone. When used as a noun, a person or thing to be desired. Originates from Getting one's K from bananas, K being potassium in this case. Example: Gee, Donald, I have been K-ing that box of chocolates all day. Do you think I could partake of one?
Slang English vocab. Английский сленговый словарь. 2012