Personally, my opinion is this:
Lazy slang term: "Smacky"... What it means: "MDMA pill".
Lazy slang term: "Cokey"... What it means: "Speedbomb".
Lazy slang term: "Chargy"... What it means: "Speedbomb".
Lazy slang term: "Chargy MD pill"... What it means: "Speedbomb with ketamine",
OR... if it is MDMA, sometimes I think 'chargy' means its a lower/higher dose MDMA pill than the person is accustomed to eating.
The reason is that I think the effects of MDMA are quite different at different doses, which is what explains an awful lot of the confusion which prevails when we all try to sort out feelings from facts after the pills have gone down the hatch. I have done extensive laboratory tests to determine the different feelings of different dose levels of MDMA

It's been my experience that a 50mg dose of MDMA feels distinctly different in many ways to a 100mg dose (and different again with 150mg and 200mg, understandably). The effects of the drug feel more chatty, more loved up, and more social at 50mg (for example) in my opinion than at 100mg. At higher doses the effects change dramatically, particularly in that negative effects are exacerbated, and the mental effects entirely different in character.
I explain this to myself by thinking about MDMA's effects like a series of levels. Beyond a certain dose you might find you stop noticing that you're chatty, or loved-up, or feeling tingles ... and realise that all you can concentrate on is your eyes wiggling, or what funny visuals you're seeing. With a smaller dose, I think that the come-up seems to take longer because you ultimately reach a lower level, but you can stay on a chatty and loved up level for a lot longer. With a high dose, your come-up takes off like a rocket, and you blast through chattiness and loved up in a matter of an hour so the rest of your roll is peaking hard, until it starts to subside and you remember where you are.
As an analogy I suppose I think that the dosing is like a plane trip, where the dose changes the cruising altitude. For a small dose, you're off the ground and everything looks a lot different to when you're on the ground. For a high dose, you're way above the clouds, and it looks vastly different to cruising below the clouds. But that doesn't change the fact it's a plane.
Anyway that's my theory on so-called "chargy" pills - and why people make the distinction. I'm totally from the opposite school of thought -- rather than take a pill and then attempt to work out how strong it was later, I much prefer to increment my dose slowly up to exactly the right level. That way I can know that it's MDMA, and it feels exactly like it's supposed to (not too heavy, not too light...). That way I don't need to use terms like smacky or chargy to describe how strong it was, but rather what proportion of the pill was consumed (i.e., Strong MDMA pill, noticeable effects from a quarter, peaking hard by a half).
Feel free to comment...
BigTrancer
