And I know
because I have the TEXTBOOK.
The Big Bang Theory Season 12, Episode 14
Oh, that is
TEXTBOOK encroachment.
The Big Bang Theory Season 12, Episode 14
It would help if you stopped telling me
I have a TEXTBOOK cervix.
The Big Bang Theory Season 10, Episode 4
every periodic table,
every TEXTBOOK--
The Big Bang Theory Season 7, Episode 6
Textbook bust, sir. Yes, sir.
Breaking Bad Season 2, Episode 8