Nitrious oxide?
What does that do?
It's pretty much what dentists use as an anaesthetic, except they mix it with air. On the small scale, you're pretty much just filling balloons from an N
2O dispenser used to turn whipping cream into joyous whipped cream, then getting it down your lungs. It's short-lived (a few minutes, at best, but your sense of time is distorted somewhat), and is pretty much just 8 grams of euphoria in a steel charger bulb.