[Kansas58]

You do know that laughing gas is the propellant, in most of those Whipped Cream cans?
And, do you know that gays like “poppers” or Nitrous Oxide?

[WashingtonSource]

I don’t think poppers are made of nitrous oxide — more like amyl nitrate, which is what people with heart problems inhale to cause there arteries to expand (widen).