Don't you mean the Wolowitz Zero-Gravity
Human Waste Distribution System?
The Big Bang Theory Season 2, Episode 22
You're a completely selfish HUMAN being
and a physical and moral coward.
The Big Bang Theory Season 8, Episode 6
just makes me feel HUMAN again.
The Big Bang Theory Season 12, Episode 7
When I have enough to destroy
the HUMAN toast...
The Big Bang Theory Season 3, Episode 6
is just a fiction used by the
herd of inferior HUMAN beings
The Big Bang Theory Season 5, Episode 7