Luckily for you,
that's where the METAPHOR ended.
The Big Bang Theory Season 1, Episode 15
You know what? I'm thinking Howard
wasn't making a back-scratching METAPHOR.
The Big Bang Theory Season 2, Episode 16
They say it's the perfect METAPHOR
for my incandescent talent.
The Big Bang Theory Season 2, Episode 4
I believe this is an extension
of the death METAPHOR.
The Big Bang Theory Season 2, Episode 8
...the terms of your METAPHOR
by acknowledging her existence. I'm out.
The Big Bang Theory Season 2, Episode 8