As a 'good bad movie' I have to nominate Zardoz, a real coke binged sci fi affair with sean connery in underpants :/ Haha
http://www.denofgeek.com/us/movies/z...ents-in-zardoz
Also I've mentioned this in other places, but I love listening to 'the flop house', which picks apart some of these flops in glorious and hilarious detail:
https://www.flophousepodcast.com/