I will find an APPROPRIATE sperm donor
for your eggs...
The Big Bang Theory Season 1, Episode 15
I just wear the APPROPRIATE sun block
because I don't take melanoma lightly.
The Big Bang Theory Season 2, Episode 11
...we need the APPROPRIATE words
to mark this historic scientific event.
The Big Bang Theory Season 2, Episode 12
I believe the APPROPRIATE metaphor here
involves a river of excrement...
The Big Bang Theory Season 2, Episode 8
...and then you say something APPROPRIATE
in response.
The Big Bang Theory Season 1, Episode 1