Nutmeg is horrible, dangerous and potentially fatal substance that has the potential to induce a coma. The only thing that I could think of that would be that sketchy, unpleasant and dangerous is Datura.

Not really sure why you would want to toy around with nutmeg considering the literal cornucopia of inexpensive, low toxicity and highly effective psychoactive compounds that are available on the internet as well as just out in nature.   

here is a excerpt from an online encyclopedia about nutmeg and it's enchanting effects: