
Oil.
Game of Thrones Season 4, Episode 9

This needs a little more OIL.
Money Heist Season 3, Episode 6

Spearmint-and-green-tea-scented bath OIL
promotes relaxation.
The Big Bang Theory Season 2, Episode 11

Then I rubbed all the wood with tung OIL
so it was rich and dark.
Breaking Bad Season 3, Episode 9

Suddenly, I felt like an OIL tanker
Money Heist Season 3, Episode 7