Hairy meat patties are collage sorority girls with hairy wore out vaginas. They may have been stuffed with shampoo bottles. Or possibly a large scholng or fist.
An exclamation of surprise akin to "holy shit," designed for situations or events for which it would be necessary to usesomething crazier than "holy fucking shit."
Max: "Hey look, you're ex is making out with that guy you hate!"
Me: "Holy fucking chicken-fried shit patties!"
Craig: "Let's get ass pattied tonight, i dont want to remember a thing".
Ricky: "yeah bro! If we are really looking to get ass pattied i have a handle of everclear that we can pregame with"
fucked up drunk turnt black out wasted hammered