
The water the astronauts drink
is made from each other's recycled URINE.
The Big Bang Theory Season 6, Episode 1

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

...which could give
a positive URINE test for opiates...
The Big Bang Theory Season 1, Episode 5

passed out in a puddle
of his own URINE.
The Big Bang Theory Season 5, Episode 7

...but you didn't have 10 seconds
to make one that said, "Urine cup"?
The Big Bang Theory Season 1, Episode 11