Remove his pants. Inserting one. Possibly two fingers into another mans anus, to show dominance.
Thunder threw woo woo bear on the ground and checked his oil!
by Mash88 October 29, 2020
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When you run your finger across your bunghole in order to be certain that you wiped good enough.
I checked my oil and now I know how those stains got in my underwear.
by Bevis October 9, 2004
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Putting ones finger in another's anus to "check their oil". Checking their fluid/solids level to be sure they are not to low or high.
Hey babe will you check my oil? (Said girl)

Yeah I can! *Shoves his hand down the back of her pants (boy)
by Souhung July 3, 2017
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The act of fingering a newly met girl while in public.
Dude, he bought her a drink and within an hour he was checking her oil on the dance floor.
by dickintosh February 20, 2012
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A move a soccor player makes to injury or cramp a opponent. A forced plunging of the thumb or index finger into the anus
Did you see horhe check martinis oil at the game last night?

Yeah was a two dipper!

Checking oil cramped him right up.
by Kerbangocwm December 5, 2017
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When a man is able to fold his penis back and stick it in to his own anus.
Have you ever heard of checking your own oil? I'm sure Ron Jeremy has done it quite a few times.
by ThisSecretNinja April 15, 2010
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Putting your finger in a woman's vagina to see if she is wet
I was checking the oil level on lisa lastnight it was a little low
by Holsackak November 26, 2015
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