
Let's start with a TOE touch.
The Big Bang Theory Season 4, Episode 2

Or I'll help you along
With the TOE of my boot
The Big Bang Theory Season 2, Episode 18

The other day I showed her
her TOE, and she was shocked.
The Big Bang Theory Season 11, Episode 11

Oh, my God, I think you broke my TOE.
The Big Bang Theory Season 4, Episode 20

and an ouchie on your pinkie TOE.
The Big Bang Theory Season 5, Episode 14