
Starch absorbs FLUID...
The Big Bang Theory Season 1, Episode 17

Just-- It's a FLUID situation.
Breaking Bad Season 5, Episode 12

I need to measure
my FLUID intake and output...
The Big Bang Theory Season 1, Episode 11

It's my favorite
pink FLUID,
The Big Bang Theory Season 5, Episode 23

in FLUID mechanics...
Can you imagine them preparing for a job?
Money Heist Season 3, Episode 2