Top Definition
Unrefined crude oil. The by-product of dinosaurs rotting for millions of years underground.
Petroleum is the formal name for unrefined fossil fuel.
by GAW II May 20, 2008
What the British call gasoline.
British Guy: Imma fill meh car up with teh petroleum!
American Guy: Pardon me sir, Do you perhaps mean gasoline?
British Guy: Yeh! Thats what I want!!!!!!!11one
1. "Black gold"
2. gasoline
I need to stop at the gas station and put premium petroleum in my pimpin' 1979 Camaro.
by James Lowe July 05, 2005
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