General rule of THUMB,
Game of Thrones Season 7, Episode 3
You know,
Italian housewives have a rule of THUMB:
The Big Bang Theory Season 2, Episode 9
What happened
to your THUMB?
The Big Bang Theory Season 5, Episode 16
If I wanted to, I could wipe it out
with my THUMB like a god.
The Big Bang Theory Season 6, Episode 21
so if you broke my right THUMB,
The Big Bang Theory Season 9, Episode 14