When you fuck someone from Mississippi whose IQ is so low, you're basically fucking achild
Ari: Yesterday I fucked this guy from Mississippi and he literally couldn't do multiplication
Becky: Guess that's why they call it a Mississippi child fuck
Ari: Ew what
Its not self-explanitory, it occurs when there is either an incest relationship because they did not spread apart the genes, therefor resulting in a shallow gene pool.
When your dad sneaks into your room in the middle of the night wearing a t-bone steak costume and then rubs A1 steak sauce all over your slumbering nipples. He then ejaculates into your dress socks.
Jesus Christ dad it's a fucking school night...can't you give this porterhouse fuckchild horseshit a rest already? I'm 22 years old, i'm not a god damn kid anymore!