My PIERCING, blue eye.
The Big Bang Theory Season 12, Episode 15
I should warn you I have
a tongue PIERCING.
The Big Bang Theory Season 12, Episode 3
that may or may not
have been a PIERCING.
The Big Bang Theory Season 7, Episode 23
It's a PIERCING.
The Big Bang Theory Season 7, Episode 23
I know a PIERCING parlor,
where, for a hundred bucks,
The Big Bang Theory Season 5, Episode 24