Movies that made you question what you just watched

Ever watched a movie and wondered “what did I just watch?” I know there are movies that are so stupid they’re funny, everyone likes something different and guilty pleasure movies can be the best. But I’m want to know about other movies people have put on their WTF was that list. I had a neighbour who I thought had a great sense of humour, she was always making me laugh. So when she knocked on my door and told me she had the funniest movie she’d seen in awhile, I didn’t hesitate to borrow it before she had to return it. That night I got my munches, smoked a nice one and was excited to watch a good comedy. When the movie was over I walked it back to her place and asked her if she intentionally had me waste 2+ hours of my life on the DUMBEST movie. Thinking it was a complete joke assuming she was pissed she’d spent the money renting it.

Anyone else? Or a movie that you had to go to the level of googling what the plot of the movie actually was