Last Year at Marienbad
I don't know what to suggest since it is so subjective and I don't even have commonalities/genre to go by, but if you can appreciate some twisted/dark humour have a few cones and chuck on Happiness.
Martyrs is a good movie with dark/gory, same with High Tension. Enough of those french fucks though, what else is there? Well Japan make some pretty weird/sick/gory movies from BDSM shit like 'Flower and Snake' to psychological shit like 'Audition' to plain gore porn like the guinea pig series.
I really don't know what to suggest. Memento? That lawyer movie with Anthony Hopkins who finds his wife cheating on him? Trailer Parks Boys? It's Always Sunny in Philadelphia? Modern Family? How I Met Your Mother? Neighbours? Lost in Translation? Speed?
Really, it's best if you just find some well regarded movies of the genre you want to watch and see how you like them... after watching Marienbad that is.