When a man pours a large amount of lube on his penis and in the asshole of his sexual partner in order to assure a well lubricated fit. After the male is finished with the intercourse, and pulls his penis from the other person and the other person shits creating a liquid that is a mix of shit and lube. This liquid looks similar to crude oil so the word is "Striking Oil"
"DUDE!!! I am totally striking oil with my girlfriend tonight."

"Dude I Struck Oil last night and it was all over the sheets"

by Kelvin Haus September 17, 2008
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When you are having anal sex and the bottom didn't douche correctly and you end up with shit on your dick.
"Damn, that guy was hot but it couldn't finish after striking oil and smelling shit. "
by Oil Barren November 19, 2019
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When you find out someone you have been going out with is loaded. This is different from a gold digger.
After going out with John for 3 months, Nancy found out he was inheriting $2 million dollars. Nancy was lucky enough to strike oil.
by hifan123 August 31, 2009
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An act of revenge usually. While pulling out from fucking a woman in her ass, she continues to to shit on you and your dick.
" Last night, I made that mother fucker strike oil"
by Charger Brent May 15, 2006
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You're fucking a guy or girl up the ass, giving it to him/her with great gusto, and suddenly things start to smell pretty rank due to the uncontrolled release of feces, aka shit, or in the worst case scenario, diarrhea. This happens more to guys with dicks 8" or longer since they open the rectum's upper sphincter,
Dude, I was fucking this hot little college frat boy senseless, but then I struck oil and had to go wash my pubes out. Good thing I put an old towel on the bed!
by Ass bandit February 5, 2005
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when you bring on a period through intercourse with a woman.
"he went in so deep he struck oil"

"its that time of the month so im gonna be striking oil tonight"
by savagebjs April 26, 2009
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The definition of striking oil is when the dirty bitch go's on all fours and spreads her ass hole open and squirts a hell of a lot of lube up that ass. Then the horny mother fucker approaches the lubed up ass hole and plow that bitches hole until she makes a ummpphh sound and a whole lot of brown shit and lube squirts out of her ass hole like a fucking hose. Then you punch that bitch in the face and take a hot steamy shit on her face.
Dude I saw bobby striking oil with lafonda

Bro no way I finna wanna strike oil will you plow my ass

Dude fersure!
by DatHellarFunny September 16, 2011
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