Top Definition
You have the woman on the bed face down ass in the air. Then you stand over her with your legs spread and go up and down like an oil derrick.
Man Erik was riding her like an oil derrick. I am surprised he didn't strike oil.
by namrotom August 21, 2009
This sexual act involves a blumpkin, or any variation there of, where the receiver of the blowjob is simultaneously chewing tobacco and spitting it freely.
This chick was so nasty last night, she let me oil derrick in her hair.
by noops123 March 01, 2009

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