
...extracted from the URINE of cows.
The Big Bang Theory Season 4, Episode 22

the URINE should just bead up
and roll right off.
The Big Bang Theory Season 5, Episode 21

It took me a gallon of URINE
to make that water.
The Big Bang Theory Season 5, Episode 15

No, that measuring cup
has always been for URINE.
The Big Bang Theory Season 1, Episode 11

Howard Hughes saved his URINE
in milk bottles.
The Big Bang Theory Season 10, Episode 23