
I could deduce by his facial EXPRESSION
and body language that he was sad.
The Big Bang Theory Season 10, Episode 16

I wanted to see the EXPRESSION
on your face
The Big Bang Theory Season 12, Episode 19

Funny EXPRESSION, sleep tight. Ha-ha. Ha.
The Big Bang Theory Season 1, Episode 7

I merely offer you a facial EXPRESSION
that suggests you've gone insane.
The Big Bang Theory Season 3, Episode 12

Where did the EXPRESSION
"got your ass handed to you" come from?
The Big Bang Theory Season 6, Episode 4