So your dad shagged ya' butch mum and her sister, so now your brother is your cousin and your auntie is ya stepmom.
"God damn it! You had one job, you've gone and given the kid a step-mauntie"
"Fucking alabama and it's step-maunties everywhere"
"Yee Haw Howdy! I just left ya' maw' fa' ya' Auuuuuuuun-tie! Meet ya maw' sista', ya step-mauntie!"