Detroit Metal City, Panty & Stocking with Garterbelt Recommendations
Both are parodies full of gross and dirty jokes. Also, both have 2 stories per episode and a lot of nonsense that somehow works in the plot's favor.
Both feature ridiculous, offensive humor and gratuitous use of English swear words.
If you like vulgar and crude humour, you will probably love these two shows. Both series are a similar short length and are loaded with silly sex jokes and ridiculous levels of swearing. This is the type of comedy where you have to just disconnect your brain and laugh.
They contain a kind of dark humour, that is more or less foreign to this medium. While they don't exactly do it the same way, it's definitely refreshing to see dark humour done this way in anime at all.