The rusty hook occurs when the length of the index finger is inserted into the anus, extracted and placed on the inside of someones mouth, thus hooking their cheek.
Randy gave me a nasty rusty hook today.
by Dale Jarret March 05, 2004
This is where one person inserts his finger inside his own rectum, as if to cover it in feces, and then sticks it in someone else's mouth and pulls on the victim's cheek, as if the person is being fish hooked.
On the Jackass DVD 4-Disc Box Set, Jeff Tremaine talks about how Ryan Dunn gave him a rusty hook, and during a photo shoot, you could see feces in Tremaine's teeth.
by Jesse Morton January 02, 2007
To Insert your finger into your anus and then fishook the inside of someones mouth attempting to scratch the inside of there mouth.
"Oh My God! You Just got Rusty Hooked! your mouth is all shitty and bloody!"
by matt fortune November 12, 2006
A Rusty Hook is when you are wiping your arse and your finger accidentally rips through the toilet paper and you get a little bit of shit on your finger.
"Dude, I was just taking a shit and... When wiping my finger tore through the fucking toilet paper..."
by BigLeeBrink October 18, 2013
When you stick your finger in your ass then hook it in someone's mouth.
by ExplainationOfRustyHook March 01, 2011
when you stick your finger up someones butt hole, get a lil poop out and stick it in the persons mouth
"ayy buddie what the fuck why you stickin shit in ma mouf wit yo rusty hook!"
by pooplovers123 October 10, 2009
When you are having doggy style sex and you stick your index finger into your partners ass, then thrusting your poop stained finger into your partners nose and hooking it at an angle, the pulling back screaming "Whos The Baldwin Now Bitch!!"
"My girlfriend was being a bitch all day. When we got drunk later that night, I stuck my finger in her ass while i was ounding her and pulled a "Rusty Hook" on her! Afterwords to finish eairlyer fight I screamed my victory call, "WHOS THE BALDWIN NOW BITCH!?"
by Flyingpenguin February 07, 2008