Person A: Why does my water taste funny?
Person B: Because what you're drinking is actually Jet Fuel.
Person B: Because what you're drinking is actually Jet Fuel.
by PhoenixGamer34 August 6, 2021

Supposedly premium gas that is actually just crappy-a** petrol that causes your engine to run really rough and lack power.
I wonder if the real reason that the dude who was driving the Hot Rod Lincoln experienced a lot of piston-pinging after his race with the Cadillac was that he was using high-knocktane fuel, rather than his simply having run his engine too hard.
by QuacksO September 23, 2019

by montanatony26 June 27, 2016

by franklyisabella January 16, 2022

by TheBigBeastMachine March 5, 2024

Any variety of booze commonly drunk by groups of cackling slags. Examples of cheap slag fuels are Lambrini, Lambrusco and various sugary alcopops. Regular slag fuels are white or rose wines such as Chardonnay or White Zinfandel. Then there are premium (aka high octane) slag fuels, which are Prosecco or other sparkling wine Champagne substitutes.
by Farmer_Trev June 8, 2019

by TheBigBeastMachine March 5, 2024
