Pronunciation: [blˈuː d͡ʒˈɒni] (IPA) 
The spelling of the word "blue johnny" may seem unusual at first glance, but it is easily explained using IPA phonetic transcription. The first syllable is pronounced as "blu," with a long "u" sound. The second syllable, "johnny," is pronounced with a soft "j" sound followed by an "ah" vowel sound and a short "i" sound. The unusual spelling of this word is likely due to regional dialects and colloquialisms.
Blue Johnny is a slang term that refers to a type of illicit drug, specifically methamphetamine, a highly addictive stimulant. This substance is commonly referred to as "blue johnny" due to its blue color known as "blue ice" or "blue crystal." Methamphetamine typically appears as a white powder, but when synthesized using specific methods, it can attain a blue hue, which sets it apart from other forms of the drug.
The term "blue johnny" originated within the drug subculture and is primarily used by individuals involved in the production, sale, or consumption of methamphetamine. It is important to note that the drug itself is illegal in numerous countries due to its detrimental effects on physical and mental health, as well as its potential for abuse and addiction.
The usage of "blue johnny" in everyday conversation is limited to specific contexts, predominantly within the mentioned subculture. Due to its nature as a slang term, "blue johnny" may not be widely recognized or understood outside of these circles. Nonetheless, it serves as an identifier for a specific form of methamphetamine, distinguished by its blue coloration, providing further insight into the varied and continuously evolving world of illicit drugs.
