No. But your THUMB does.
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
...she licked her THUMB
to remove raspberry jelly...
The Big Bang Theory Season 4, Episode 3
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
What happened
to your THUMB?
The Big Bang Theory Season 5, Episode 16