A 'dirty hurty' is when a person applies faecal matter to a coarse piece of sandpaper (preferably 60 grit) and then goes on to use it as a masturbatory device. the rest is up to the imagination.
"My roommate dumped my wet clothes out of the washing machine and into the dirty laundry hamper before putting their's in, so I gave em' the ol Dirty Hurricane"
When a womans vagina smells like a dumpster but you hit it anyways and can still smell it the next day at work.
Guy 1 dude did you go fishing or something before work? Guy 2 nah i just pulled a dirty hurley last night here smell my hand. Guy 1 omg bro that smells like a fish markets dumpster.
A person who not only lacks all intelligence but strives to show that in daily activities, sometimes unintentionally a total idiot. Can also be called a Hurfy/Durfy or pulling a Durfy.
"Do we have to invite him he is such a Hurfy Durfy."