The Mothership I hear if you say this drug's name three times in front of a mirror someone will put a temporary tattoo on you and you will go crazy and wake up in a bathtub full of ice with a note that says GO TO THE HOSPITAL YOU HAVE THE JENKUM IN YOU, and it turns out you didn't have fried chicken for dinner it was a batter-fried rat! But you didn't even know cause you were too high!
baleen It's the active ingredient in belladonna and other nightshades. I don't know why anybody would willingly do this shit unless they were getting heart surgery, but I did have a weird affair with a Guatemalan girl that claims she ran away from home on it and ended up in Tennessee.
Oscar Wildcat Why go to Colombia when you can score some from your medicine chest? It was a common treatment for sea sickness for decades. I am not sure if it is still OTC here but you could certainly look. Obviously the dosage in those pills is small, but there it is.
Outside of some specific shamanic uses, it's not a party drug. I am not sure why anyone would take this drug recreationally. Like atropine and related alkaloids it basically fucks you up so you can't tell reality from dream content.
It would be easy to tell the person was intoxicated, but yes they would be functional enough to get around and talk ( also howl like a raccoon, take off all their clothes in the middle of the street, etc ). This idea that it _just_ works on the will is a sad joke, but clearly a person so intoxicated could be manipulated.
Syd Midnight Anticholinergic toxidrome: an exotic and dangerous metaphysical realm accessible only to powerful jungle shamans, and also teenagers who shoplift a couple boxes of Dramamine from the drug aisle at Wal-Mart and take them all at once to see if it will get them fucked up or something.