When an athlete who does drugs has a drug test, and they go to the doctors so they can get there urine switched with clean urine through a giant tube inserted through your penis hole.
Sorry I was late Jake, I had to get my oil changed before Coach gives us another drug test.
viết bởi Stealth Money 23 Tháng một, 2004
A way for an athlete to pass a drug test by inserting a tube up his urethra(penis hole), then inject clean urine in through the tube.
"We need a urine sample from you, Mr. schwarzenegger.

Arnold mutters -" I'll need an oil change"
viết bởi whosucks 24 Tháng ba, 2010
If you do drugs and need to pass ampiss test, a P-vac isn't an option and you need clean urine, you'll need to do an oil change. An oil change is when you stick a sterile tube in your urethra until urine naturally comes out. Next take a syringe full of clean urine and inject it into the tube. There, your oil is changed.
The test is tomorrow, we'll never pass unless we do oil changes.
viết bởi xXxX 11 Tháng sáu, 2013
To have sex after a long period of absentience.
Ashanti finally had his oil change after 2 months of being single.
viết bởi Nefearious K. 20 Tháng mười hai, 2004
First you get on one of the carts you use to go under a car. You roll under your girl when shes on her period, heavy flow. You take out the old tampon and if blood gets on you thats ok your doing your job right. Clean her up, put in a new tampon, roll out from under her and give her a thumbs up.
Aaron gave his girl a great oil change last weekend.
viết bởi STURDYDIRTY09 04 Tháng bảy, 2009
The act of inserting a funnel into someone's asshole and then spewing your own diarrhea into said funnel.
My girl wanted a Cleveland Steamer last night. I wasn't feeling well so my poop wasn't solid. We opted for an Oil Change instead.
viết bởi TR653 28 Tháng tám, 2008
When you are sitting on the toilet, and the act of your poop dropping into toilet water, followed by the toilet water splashing up onto your anus.
Hey, Tom, how was your bowel movement?" "It was good, had an oil change which made the cleanup easier."
viết bởi PrescriptionK 31 Tháng một, 2011

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