![You know,
Italian housewives have a rule of thumb:
You know,
Italian housewives have a rule of thumb:](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
You know,
Italian housewives have a rule of THUMB:
The Big Bang Theory Season 2, Episode 9
![I had lost a lot of thumb blood.
I had lost a lot of thumb blood.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I had lost a lot of THUMB blood.
The Big Bang Theory Season 5, Episode 16
![General rule of thumb,
General rule of thumb,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
General rule of THUMB,
Game of Thrones Season 7, Episode 3
![No. But your thumb does.
No. But your thumb does.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
No. But your THUMB does.
The Big Bang Theory Season 5, Episode 16
![so if you broke my right thumb,
so if you broke my right thumb,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
so if you broke my right THUMB,
The Big Bang Theory Season 9, Episode 14