Molly, in contrast, was sold in loose powder form, at least back then.
Contrary to urban legends, pressies were never made with heroin as the amount of heroin required for any appreciable effect would be cost-ineffective.
Now, who knows what your 'molly' might contain. We just had two thirteen year-olds in the area die from 'research chemicals' ordered off the internet by a friend of theirs. People are taking all sorts of weird things that have undergone zero testing, even when compared to the embargo that MDMA has faced.
But seems to be a generic term for MDMA (like) drugs
Much easier to have a consistent result when your presses come from a popular and widely-known batch.
Unless you have a reagent test kit and want to do all that, it's best to have a trusted source or go for the presses IMO.
That being said, my first experience was with MDMA in crystal form, and it was the greatest thing ever.
Mandy, MD, madman. Never magic. Perhaps is a newer term? Or perhaps localised.
Eitherway, is a nice term for it :)