Good God, Hank. Yer wearin' butt boobies!
S5 E19Hank's Back Story
Note: This chant is quite similar to the "We're here, we're queer, get used to it" chant from the Simpsons. Perhaps this is a derivative of, or is the basis of, said chant. I wouldn't know, I'm an anonymous editor from Texas.
S5 E20Kidney Boy and Hamster Girl: A Love Story
(When Dale's Porta Potti collapses while Hanks's in it) "He's a squatter!"
S1Senior #1
(Enters the boys' bathroom with his friends while Bobby is washing his hands) "Ha. Hey, Fresh meat, This is the seniors bathroom. I'm gonna shove your head in the toilet".
These quotes come from Wikiquote's King of the Hill pages and are available under the Creative Commons Attribution-ShareAlike License.