It's a sports METAPHOR.
The Big Bang Theory Season 2, Episode 7
Luckily for you,
that's where the METAPHOR ended.
The Big Bang Theory Season 1, Episode 15
...the terms of your METAPHOR
by acknowledging her existence. I'm out.
The Big Bang Theory Season 2, Episode 8
That was a beautifully written
penis METAPHOR.
The Big Bang Theory Season 5, Episode 1
I believe this is an extension
of the death METAPHOR.
The Big Bang Theory Season 2, Episode 8