It might not be the 😵 kind of poison but it is absolutely the 🤮 kind of poison, even when decarbed. I'd describe it as 🤢🤢🤢🤮🤮😵💫🤮😵💫🤮😵💫🤮😵💫😴😴😴 and definitely not 🤤 at any point.
Fun fact: ibotenic acid is a muscimol prodrug and rather toxic for humans. You can filter the mushrooms through reindeer and drink their piss to get more muscimol than ibotenic acid.