Quoted from Who-Dey:King of the hill is arguably the best adult cartoon ever.
Arguably top 10 at best. Far from best ever.
Ranker.com’s list for top adult cartoons
1 Simpson
2 futurama
3 South Park
4 family guy
5 rick and morty
6 archer
7 Bob’s burgers
8 American dad
9 robot chicken
10 Beavis and butt-head
11 the boondocks
12 king of the hill
13 Batman the animated series
14 animanicas
15 pinky and the brain