
Sheldon, this beaker used
to contain cerebral spinal FLUID
The Big Bang Theory Season 5, Episode 16

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

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

I won't last
without cortical FLUID.
Westworld Season 2, Episode 4

but you're not gonna last long
without cortical FLUID.
Westworld Season 2, Episode 4