And a COW and a penguin.
The Big Bang Theory Season 3, Episode 10
Whoops! Can't go any further,
there's a sacred COW in my way.
The Big Bang Theory Season 4, Episode 9
SKETCHY:
The ozone layer is already thin
because of the COW farts.
Breaking Bad Season 4, Episode 4
I didn'’t just drink the crazy
milk, I bought the crazy COW.
The Big Bang Theory Season 12, Episode 4
Now, while commonly known as a COW catcher,
I prefer the more accurate "COW exploder."
The Big Bang Theory Season 8, Episode 21