It's like a waterfall
of LIQUID gold.
The Big Bang Theory Season 5, Episode 1
You see, instead of
using LIQUID helium...
The Big Bang Theory Season 11, Episode 8
Well, if we had a freezer, the condensed
LIQUID would cool more quickly
Breaking Bad Season 5, Episode 14
my original theory that space time
was like a super-cooled LIQUID,
The Big Bang Theory Season 9, Episode 18
Floating in a warm pool
of LIQUID
The Big Bang Theory Season 12, Episode 19