
...and then cuts off my THUMB?
The Big Bang Theory Season 3, Episode 13

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

No. But your THUMB does.
The Big Bang Theory Season 5, Episode 16

You know,
Italian housewives have a rule of THUMB:
The Big Bang Theory Season 2, Episode 9

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