"make fun" movie night
When you have friends over to watch a crappy b-rated movie specially with the intention of making fun of it.
Matt: "Shhh, I'm trying to watch the movie!!"
Leo: "Seriously?!? Didn't you know it was "make fun" movie night? We're not here to actually follow the movie, dude."
Leo: "Seriously?!? Didn't you know it was "make fun" movie night? We're not here to actually follow the movie, dude."