
What happened
to your THUMB?
The Big Bang Theory Season 5, Episode 16

so if you broke my right THUMB,
The Big Bang Theory Season 9, Episode 14

that's the Pasadena City Police, but if
you broke my left THUMB, that's the FBI.
The Big Bang Theory Season 9, Episode 14

...she licked her THUMB
to remove raspberry jelly...
The Big Bang Theory Season 4, Episode 3

and last week, I slammed my
THUMB in the kitchen drawer.
The Big Bang Theory Season 5, Episode 14