
...to the male sex ORGAN.
The Big Bang Theory Season 3, Episode 2

Well, some people think
the sexiest ORGAN is the brain.
The Big Bang Theory Season 9, Episode 8

Relax, we're the same blood type.
He knew he could harvest an ORGAN.
The Big Bang Theory Season 10, Episode 21

...I am betrayed by my appendix,
a vestigial ORGAN.
The Big Bang Theory Season 4, Episode 2

I study the brain, the ORGAN responsible
for Beethoven's "Fifth Symphony."
The Big Bang Theory Season 4, Episode 24