![I believe the back-scratching metaphor
describes a quid pro quo situation...
I believe the back-scratching metaphor
describes a quid pro quo situation...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I believe the back-scratching METAPHOR
describes a quid pro quo situation...
The Big Bang Theory Season 2, Episode 16
![Yeah, me, too. I was stuck for a metaphor.
Yeah, me, too. I was stuck for a metaphor.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Yeah, me, too. I was stuck for a METAPHOR.
The Big Bang Theory Season 9, Episode 12
![I believe this is an extension
of the death metaphor.
I believe this is an extension
of the death metaphor.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
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 terms of your metaphor
by acknowledging her existence. I'm out.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...the terms of your METAPHOR
by acknowledging her existence. I'm out.
The Big Bang Theory Season 2, Episode 8
![Wow, was that your first ever
sports metaphor?
Wow, was that your first ever
sports metaphor?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Wow, was that your first ever
sports METAPHOR?
The Big Bang Theory Season 12, Episode 10