Tantei Opera Milky Holmes, Panty & Stocking with Garterbelt Recommendations
You may think of it as a bit of a stretch, but I found a lot of likeable similar elements between the two. While PSG is obviously made for an adult crowd with lots of obvious adult humor and jokes, with watching Milky Holmes it's quite obvious that it's a gag anime very much aimed at an adult crowd, and not in the lolicon way.
The two share a lot of crude/silly humor and star a cast of (basically) idiots doing idiotic things with other idiots.
If you're looking for something that follows that same set of "stupid adult humor" and don't mine more crudeness, PSG