It's when you have anal sex with someone who has eaten too many Potato Chips and their shit is runny and Oily, then before you cum, you pull it out with oily feces still on it and cum in the air. The feces will shoot in the air resembling a Oil Derick.
Man that girl loved the black oiled cum squirting in the air when I did a Rusty Oil Derrick on her last night!
by RustyHalloween09 October 27, 2009
Get the Rusty Oil Derrick mug.the act of not wiping your buttox for a week or more and then plucking a handful of your own butthole hairs and placing them into an oven baked treat that is given to someone who irritates you.
"Scott doesn't know that I added my secret ingredient the rusty herb to his birthday cake, he thinks I'm doing him a favor."
by cuddycowboy36 April 11, 2010
Get the rusty herb mug.Related Words
Rupty
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An extremely rare type of mustache known for its unique location. Rusty Fernando mustaches are located within the hairline just above the forehead. They are similar in shape and style to the “handle bar” mustache.
Julio wasn’t satisfied with his awesome goatee so he decided to grow a breath-taking Rusty Fernando.
by Ronald Swanson September 12, 2012
Get the Rusty Fernando mug.While having sex with a woman, you take a shit on hamburger bun, melt cheese on it, and feed it to the woman.
by The Hamburgler 2012 October 3, 2013
Get the rusty patty mug.by Captain-Girth January 19, 2014
Get the rusty teaspoon mug."Last night was the worst night of my life."
"Why?"
"She pulled the ol' Rusty Ferguson. Forgot all about it. It did fall out after 10 minutes, though."
"Why?"
"She pulled the ol' Rusty Ferguson. Forgot all about it. It did fall out after 10 minutes, though."
by unlvseamus May 30, 2014
Get the Rusty Ferguson mug.The sexual act of a woman defecating on a penis before vaginal intercourse while being on her period.
by Mahoney69 June 16, 2014
Get the Rusty Catsup Bottle mug.